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Would you like to inspect the original subtitles? These are the user uploaded subtitles that are being translated: 1 00:00:01,167 --> 00:00:03,400 MY NAME IS JEREMY WADE. 2 00:00:03,500 --> 00:00:04,633 HERE WE GO. FISH ON. 3 00:00:06,233 --> 00:00:08,333 FISHING IS MY PASSION. 4 00:00:08,433 --> 00:00:13,767 TIME AND AGAIN, IT'S ENABLED ME TO SOLVE FRESHWATER MYSTERIES. 5 00:00:13,867 --> 00:00:16,067 NOW I'M BACK IN AFRICA... 6 00:00:17,867 --> 00:00:20,033 A SAVAGE HIT. LOOK AT THIS RUN! 7 00:00:20,133 --> 00:00:22,767 ...TO REOPEN A CASE I THOUGHT WAS CLOSED. 8 00:00:24,200 --> 00:00:29,100 I WANT A DEFINITIVE ANSWER TO ONE QUESTION -- 9 00:00:29,200 --> 00:00:32,400 IS THE TIGERFISH A MAN-EATER? 10 00:00:33,333 --> 00:00:36,900 TO FIND OUT, I'LL NEED MORE THAN A FISHING LINE. 11 00:00:37,000 --> 00:00:39,767 I'LL TO CONFRONT THIS PACK-HUNTING PREDATOR 12 00:00:39,867 --> 00:00:41,200 IN ITS OWN DOMAIN. 13 00:00:42,233 --> 00:00:44,633 IN EFFECT, WHAT I'VE GOT TO DO, 14 00:00:44,733 --> 00:00:48,633 I'VE GOT TO TURN MYSELF INTO HUMAN BAIT. 15 00:00:48,733 --> 00:00:52,100 BY USING A TOTALLY NOVEL DIVE STRATEGY, 16 00:00:52,200 --> 00:00:55,467 BASED ON NEW UNDERSTANDING OF THE RIVER'S PREDATORS, 17 00:00:55,567 --> 00:00:59,433 I'M GOING TO GO WHERE VERY FEW HAVE GONE BEFORE. 18 00:01:02,367 --> 00:01:05,267 -- Captions by VITAC -- www.vitac.com 19 00:01:05,367 --> 00:01:08,400 CAPTIONS PAID FOR BY DISCOVERY COMMUNICATIONS 20 00:01:11,167 --> 00:01:14,467 OF ALL THE RIVER MONSTERS I'VE EVER ENCOUNTERED, 21 00:01:14,567 --> 00:01:17,833 ONE HAS GOT UNDER MY SKIN MORE THAN ANY OTHER... 22 00:01:19,233 --> 00:01:21,233 ...THE TIGERFISH. 23 00:01:21,333 --> 00:01:25,267 TWO YEARS AGO, I CAME TO AFRICA TO INVESTIGATE A TRAGEDY 24 00:01:25,367 --> 00:01:27,567 WHERE THE OCCUPANTS OF AN OVERTURNED BOAT 25 00:01:27,667 --> 00:01:32,333 APPEARED TO HAVE BEEN EATEN BY UNKNOWN FISH. 26 00:01:32,433 --> 00:01:35,233 WHAT I PULLED OUT OF THE RIVER THEN 27 00:01:35,333 --> 00:01:37,433 WAS THE STUFF OF NIGHTMARES. 28 00:01:37,533 --> 00:01:39,433 MUSCULAR AND PACKED WITH TEETH, 29 00:01:39,533 --> 00:01:44,567 A SUPER-SIZED RELATIVE OF THE RED-BELLIED PIRANHA. 30 00:01:44,667 --> 00:01:46,267 WELL, THIS IS THE FISH. THIS IS THE FISH. 31 00:01:46,367 --> 00:01:48,467 THERE IS A PACK OF THEM DOWN THERE. 32 00:01:51,433 --> 00:01:54,500 BUT IF THIS IS AFRICA'S PIRANHA, WHERE'S THE RAP SHEET? 33 00:01:54,600 --> 00:01:56,733 WHY ARE THERE SO FEW VICTIMS? 34 00:01:56,833 --> 00:02:00,567 THE FACT IS, SO LITTLE IS KNOWN ABOUT THIS FISH, 35 00:02:00,667 --> 00:02:03,667 AND FOR ME, WHERE THERE'S MYSTERY, THERE'S DOUBT. 36 00:02:05,600 --> 00:02:07,267 MAYBE BY GOING UNDERWATER, 37 00:02:07,367 --> 00:02:11,100 I CAN PUT THIS ANIMAL'S FEARSOME REPUTATION TO THE TEST. 38 00:02:15,500 --> 00:02:19,233 BUT IN DOING SO, WILL I BECOME PREY? 39 00:02:22,067 --> 00:02:24,067 IN MOST AFRICAN RIVERS, 40 00:02:24,133 --> 00:02:29,267 GOING UNDERWATER WOULD BE POINTLESS, IF NOT SUICIDAL. 41 00:02:29,367 --> 00:02:32,600 IT'S NORMALLY TOO CLOUDY TO SEE ANYTHING, 42 00:02:32,700 --> 00:02:36,833 AND ON TOP OF THIS, YOU RISK ENCOUNTERING CROCODILES. 43 00:02:38,700 --> 00:02:40,133 BUT THERE'S ONE PLACE 44 00:02:40,233 --> 00:02:43,633 WHERE I MIGHT BE ABLE TO OVERCOME THESE PROBLEMS... 45 00:02:43,733 --> 00:02:46,300 IF I GET MY TIMING RIGHT. 46 00:02:46,400 --> 00:02:49,867 THE OKAVANGO DELTA IN BOTSWANA IS A HUGE SWAMP 47 00:02:49,967 --> 00:02:53,333 ON THE NORTHERN EDGE OF THE KALAHARI DESERT. 48 00:02:54,700 --> 00:02:58,300 ONCE A YEAR, IT GETS A MASSIVE INFLUX OF RAINWATER 49 00:02:58,400 --> 00:03:01,867 THAT RUNS OFF THE ANGOLAN HIGHLANDS. 50 00:03:04,133 --> 00:03:08,300 IT'S AT THIS TIME, FOR JUST A FEW SHORT WEEKS, 51 00:03:08,400 --> 00:03:10,800 THAT THE WATER CAN BE CLEAR ENOUGH 52 00:03:10,900 --> 00:03:13,733 TO ACTUALLY SEE WHAT'S PROWLING AROUND. 53 00:03:15,133 --> 00:03:16,967 ALTHOUGH I'VE BEEN HERE BEFORE, 54 00:03:17,067 --> 00:03:20,133 I FEEL AS IF I'VE SCARCELY SCRATCHED THE SURFACE, 55 00:03:20,233 --> 00:03:23,767 IN TERMS OF UNDERSTANDING THE FISH AND THE DELTA ITSELF. 56 00:03:28,100 --> 00:03:31,733 SO BEFORE I EVEN ATTEMPT TO GET IN THE WATER, 57 00:03:31,833 --> 00:03:35,633 I WANT TO REACQUAINT MYSELF WITH THE TIGERFISH. 58 00:03:35,733 --> 00:03:39,967 THE DELTA LOOKS VERY DIFFERENT FROM WHEN I WAS LAST HERE. 59 00:03:40,067 --> 00:03:42,067 IT'S NOW THE SOUTHERN AFRICAN WINTER, 60 00:03:42,133 --> 00:03:43,833 AND THE WATER IS AT ITS HIGHEST -- 61 00:03:43,933 --> 00:03:47,467 SOME 13 FEET ABOVE ITS SUMMER LEVEL. 62 00:03:49,633 --> 00:03:53,833 IT'S ALSO AROUND 30 DEGREES COLDER. 63 00:03:59,233 --> 00:04:02,700 WHAT I DON'T YET KNOW IS HOW THESE SEASONAL CHANGES 64 00:04:02,800 --> 00:04:05,900 MIGHT AFFECT THE BEHAVIOR OF THE TIGERFISH. 65 00:04:09,600 --> 00:04:15,067 THOUGH CONDITIONS LOOK IDEAL, THE RIVER IS STRANGELY QUIET. 66 00:04:22,733 --> 00:04:26,433 NOTHING AT ALL GOING FOR THAT. UM... 67 00:04:26,533 --> 00:04:28,800 IT'S ALMOST AS IF THIS BIT OF WATER HERE 68 00:04:28,900 --> 00:04:30,133 IS JUST DEVOID OF FISH. 69 00:04:30,233 --> 00:04:31,433 UM... 70 00:04:31,533 --> 00:04:34,767 SO, FOR ONCE, MY NORMAL SAMPLING TOOL -- A FISHING LINE -- 71 00:04:34,867 --> 00:04:38,067 IS JUST GIVING ME NO INFORMATION WHATSOEVER 72 00:04:38,100 --> 00:04:39,700 ABOUT WHAT'S GOING ON, 73 00:04:39,800 --> 00:04:42,567 WHAT'S LIVING UNDERNEATH THE SURFACE. 74 00:04:42,667 --> 00:04:45,100 WITH SO MUCH FLOODWATER, 75 00:04:45,200 --> 00:04:48,167 EVERYTHING IS SPREAD MORE THINLY. 76 00:04:48,267 --> 00:04:51,833 IT LOOKS LIKE FINDING A PACK OF TIGERFISH IN THIS VAST SWAMP 77 00:04:51,933 --> 00:04:54,800 IS GOING TO TAKE LONGER THAN I RECKONED. 78 00:05:03,200 --> 00:05:05,733 NEXT MORNING, AS I HEAD UPRIVER, 79 00:05:05,833 --> 00:05:07,800 I SPOT A PLUME OF SMOKE -- 80 00:05:07,900 --> 00:05:10,800 THE TELLTALE SIGN OF A FISHERMAN'S CAMP. 81 00:05:15,200 --> 00:05:16,967 THIS IS AN OPPORTUNITY FOR ME 82 00:05:17,067 --> 00:05:19,567 TO FIND OUT MORE ABOUT TIGERFISH, 83 00:05:19,667 --> 00:05:22,233 IN PARTICULAR, WHETHER THE PEOPLE WHO LIVE HERE 84 00:05:22,333 --> 00:05:24,467 SEE THEM AS A THREAT. 85 00:05:26,333 --> 00:05:29,467 JUDGING BY THE NUMBERS OF BREAM AND CATFISH 86 00:05:29,567 --> 00:05:31,133 THAT ARE BEING SMOKED, 87 00:05:31,233 --> 00:05:34,367 THERE'S CERTAINLY PLENTY OF FOOD IN THIS AREA 88 00:05:34,467 --> 00:05:35,967 FOR A TOP PREDATOR. 89 00:05:48,933 --> 00:05:50,633 SO THIS TIGERFISH, IT WAS INSIDE THE NET. 90 00:05:50,733 --> 00:05:51,733 YOU TRIED TO -- 91 00:05:57,467 --> 00:05:59,367 TWO MONTHS TO HEAL. 92 00:06:00,400 --> 00:06:01,800 SO IT WAS A DEEP CUT. 93 00:06:03,267 --> 00:06:04,767 DID THIS ONE -- DID IT JUMP OUT OF THE WATER? 94 00:06:04,867 --> 00:06:06,067 Man: YEAH. 95 00:06:12,200 --> 00:06:14,733 THIS FISH IS SEEN AS A MALEVOLENT PRESENCE 96 00:06:14,833 --> 00:06:15,867 IN THE RIVER, 97 00:06:15,967 --> 00:06:17,433 SO IT'S DEFINITELY A FISH 98 00:06:17,533 --> 00:06:21,067 THAT EVERYBODY HERE TREATS WITH A CERTAIN AMOUNT OF RESPECT. 99 00:06:21,100 --> 00:06:24,100 ALL THE FISHERMEN HERE HAVE THEIR OWN ACCOUNTS 100 00:06:24,200 --> 00:06:26,233 OF BEING BITTEN BY TIGERFISH, 101 00:06:26,333 --> 00:06:31,067 BUT ALWAYS WHEN THEY'RE DEALING WITH THEM IN THEIR NETS. 102 00:06:31,100 --> 00:06:32,967 WHAT THEY DON'T HAVE 103 00:06:33,067 --> 00:06:36,600 ARE STORIES OF ATTACKS IN OPEN WATER. 104 00:06:36,700 --> 00:06:39,633 BUT PERHAPS THIS ISN'T SURPRISING. 105 00:06:39,733 --> 00:06:41,100 MOST PEOPLE IN THE DELTA 106 00:06:41,200 --> 00:06:44,067 KNOW BETTER THAN TO JUMP OUT OF THEIR CANOES. 107 00:06:45,567 --> 00:06:50,567 THE PRESENCE OF CROCODILES IS MORE THAN ENOUGH TO DETER THEM. 108 00:06:52,467 --> 00:06:53,867 BUT IF I'M GOING TO UNDERSTAND 109 00:06:53,967 --> 00:06:55,400 THE TRUE NATURE OF THE TIGERFISH, 110 00:06:55,500 --> 00:06:56,833 THEN SOONER OR LATER, 111 00:06:56,933 --> 00:07:00,167 I'LL HAVE TO PLUCK UP MY COURAGE AND GET IN THE WATER. 112 00:07:04,367 --> 00:07:06,100 FIRST, THOUGH, I'M STOPPING OFF 113 00:07:06,200 --> 00:07:08,367 TO MEET A MAN NAMED FRANCOIS JACOBS. 114 00:07:08,467 --> 00:07:10,667 HE'S ONE OF THE VERY FEW SCIENTISTS 115 00:07:10,767 --> 00:07:13,800 WHO ARE TRYING TO STUDY TIGERFISH. 116 00:07:13,900 --> 00:07:15,733 THE TIGERFISH IS ONE OF THE -- 117 00:07:15,833 --> 00:07:19,633 WELL, ONE OF THE MOST PREDACIOUS FISH SPECIES ON EARTH. 118 00:07:19,733 --> 00:07:23,067 WHEN THEY LOCK ON TO SOMETHING, IT SEEMS THAT THEY JUST -- 119 00:07:23,167 --> 00:07:25,800 THEY JUST FULLY, FULLY GO OUT FOR THEM. 120 00:07:25,900 --> 00:07:28,067 IF THEY SEE SOMETHING IN DISTRESS, 121 00:07:28,167 --> 00:07:31,167 EVEN IF IT'S BIGGER THAN THEM, THEY'LL GO FOR IT. 122 00:07:31,267 --> 00:07:33,267 WHY IS IT THAT THERE'S SO LITTLE KNOWN 123 00:07:33,367 --> 00:07:35,233 ABOUT TIGERFISH AND THEIR BEHAVIOR? 124 00:07:35,333 --> 00:07:38,400 IT'S MOSTLY BECAUSE THEY'RE IN CROCODILE-INFESTED WATERS. 125 00:07:38,500 --> 00:07:40,900 CROCS...EVERYWHERE. 126 00:07:41,067 --> 00:07:44,400 BECAUSE OF THE DANGERS OF WORKING IN THESE ENVIRONMENTS. 127 00:07:44,500 --> 00:07:47,500 WHAT I WANT TO DO IS ACTUALLY GET UNDER THE WATER 128 00:07:47,600 --> 00:07:48,967 AND LOOK AT TIGERFISH. 129 00:07:49,067 --> 00:07:50,933 WOULD YOU HAVE ANY GENERAL ADVICE? 130 00:07:51,067 --> 00:07:54,100 YOU'RE GETTING IN THE WATER WITH CROCODILES. 131 00:07:54,200 --> 00:07:56,400 THEY'RE KNOWN TO HUNT HUMANS, 132 00:07:56,500 --> 00:07:59,567 SO IF YOU'RE ASKING ME IF I WANT TO SWIM WITH CROCODILES, 133 00:07:59,667 --> 00:08:02,300 THE ANSWER'S NO. GOOD LUCK. 134 00:08:04,200 --> 00:08:07,533 FRANCOIS HAS CONFIRMED THAT TIGERFISH, LIKE PIRANHAS, 135 00:08:07,633 --> 00:08:12,367 WILL ATTACK ANIMALS MUCH BIGGER THAN THEMSELVES. 136 00:08:12,467 --> 00:08:15,167 AND HE'S REMINDED ME, AS IF I NEEDED IT, 137 00:08:15,267 --> 00:08:17,067 THAT TO PUT THIS TO THE TEST, 138 00:08:17,167 --> 00:08:20,333 I'LL ALSO HAVE TO DEAL WITH CROCODILES. 139 00:08:20,433 --> 00:08:24,367 MY IMMEDIATE OBJECTIVE, THOUGH, IS TO FIND THE TIGERFISH. 140 00:08:24,467 --> 00:08:28,233 WHAT I'M DOING IS FISHING A VERY FLASHY LURE 141 00:08:28,333 --> 00:08:31,400 THAT WILL CATCH THE SUNLIGHT -- ALSO CAUSE VIBRATIONS -- 142 00:08:31,500 --> 00:08:34,400 AND THE KIND OF PLACES I'VE BEEN LOOKING OUT FOR 143 00:08:34,500 --> 00:08:36,667 ARE WHERE YOU'VE GOT A BEND. 144 00:08:36,767 --> 00:08:38,767 AND WHAT THE BEND WILL DO, 145 00:08:38,867 --> 00:08:41,633 IT WILL SORT OF CREATE A SANDBAR, 146 00:08:41,733 --> 00:08:42,967 FOLLOWED BY A DROP-OFF, 147 00:08:43,067 --> 00:08:45,100 AND THAT'S EXACTLY THE KIND OF PLACE 148 00:08:45,200 --> 00:08:46,667 WHERE PREDATORS LIKE TO LURK 149 00:08:46,767 --> 00:08:50,200 AND WAIT FOR SMALLER FISH TO PASS IN THE CURRENT. 150 00:08:54,200 --> 00:08:58,067 BY LATE AFTERNOON, I'M STILL EMPTY-HANDED. 151 00:08:59,167 --> 00:09:03,233 A LITTLE EDDY OVER THERE. LET'S JUST TRY THAT. 152 00:09:03,333 --> 00:09:07,333 IF THERE ARE TIGERFISH HERE, THEN THEY'RE VERY WARY. 153 00:09:07,433 --> 00:09:10,133 NO. THOUGHT SOMETHING WAS ON THERE. 154 00:09:10,233 --> 00:09:13,367 MY MIND IS STARTING TO PLAY TRICKS ON ME. 155 00:09:13,467 --> 00:09:16,733 IT'S SOMETIMES HARD TO TELL IF I'M GETTING A KNOCK ON THE LURE 156 00:09:16,833 --> 00:09:18,533 OR JUST SNAGGING ANOTHER WEED. 157 00:09:20,267 --> 00:09:24,167 WHEN IT COMES, THOUGH, THE STRIKE IS UNMISTAKABLE. 158 00:09:24,267 --> 00:09:26,200 A SAVAGE HIT. 159 00:09:27,767 --> 00:09:29,933 LOOK AT THIS RUN! LOOK AT THIS RUN! 160 00:09:40,900 --> 00:09:44,100 IN THE HEART OF BOTSWANA'S OKAVANGO DELTA, 161 00:09:44,200 --> 00:09:45,600 I'M HUNTING DOWN THE TRUTH 162 00:09:45,700 --> 00:09:50,433 ABOUT AN ANIMAL WITH A FEARSOME REPUTATION... 163 00:09:50,533 --> 00:09:52,900 THE TIGERFISH. 164 00:09:53,067 --> 00:09:56,933 IF THEY REALLY ARE MAN-EATERS, I INTEND TO FIND OUT. 165 00:09:57,067 --> 00:09:59,767 AND I THINK I'VE JUST GOT ONE ON MY LINE. 166 00:09:59,867 --> 00:10:01,433 LOOK AT THIS RUN! LOOK AT THIS RUN! 167 00:10:01,533 --> 00:10:02,600 [ GRUNTS ] 168 00:10:02,700 --> 00:10:05,767 A SAVAGE HIT ON THE LURE. SAVAGE HIT. 169 00:10:08,933 --> 00:10:11,433 RIGHT. WE HAVE A FISH. I DIDN'T SEE IT VERY -- 170 00:10:11,533 --> 00:10:13,700 IT JUST JUMPED OUT OF THE WATER JUST THEN. 171 00:10:13,800 --> 00:10:15,667 DIDN'T SEE IT TOO CLEARLY. 172 00:10:17,033 --> 00:10:20,033 I THINK IT'S A TIGERFISH. 173 00:10:20,133 --> 00:10:22,933 RIGHT. I'VE GOT A LANDING NET THERE. 174 00:10:26,800 --> 00:10:29,700 THIS TOOTHY FIGHTER IS A YOUNG ADULT. 175 00:10:29,800 --> 00:10:31,533 RIGHT. 176 00:10:31,633 --> 00:10:33,967 SO, THERE WE GO. THAT'S A TIGERFISH. 177 00:10:34,067 --> 00:10:35,100 WHY ARE THEY CALLED TIGERFISH? 178 00:10:35,200 --> 00:10:36,733 WELL, IT COULD BE BECAUSE OF THE STRIPES. 179 00:10:36,833 --> 00:10:38,767 IT COULD BE BECAUSE OF THE TEETH, 180 00:10:38,867 --> 00:10:40,800 AND THOSE TEETH ARE -- WHOOPS! -- 181 00:10:40,900 --> 00:10:44,633 ABSOLUTE SIGNATURE OF THE SPECIES. 182 00:10:44,733 --> 00:10:47,467 SO, FROM THE GILLS BACK, 183 00:10:47,567 --> 00:10:50,100 IT'S THIS VERY PRETTY, STREAMLINED FISH, 184 00:10:50,200 --> 00:10:54,033 AND THEN THE HEAD IS ALMOST LIKE SOMETHING OUT OF YOUR -- 185 00:10:54,133 --> 00:10:55,933 YOUR WORST NIGHTMARES. 186 00:10:56,033 --> 00:10:58,933 SO I THINK WE CAN CATEGORICALLY SAY NOW 187 00:10:59,033 --> 00:11:02,067 THAT WE'RE IN TIGER COUNTRY. 188 00:11:07,567 --> 00:11:09,800 BUT HOW MANY OF THEM ARE OUT THERE? 189 00:11:09,900 --> 00:11:12,933 HAVE THEY SPLIT UP INTO ONES AND TWOS... 190 00:11:13,067 --> 00:11:17,667 OR COULD THERE BE A WHOLE PACK OF THEM RIGHT UNDERNEATH ME? 191 00:11:24,100 --> 00:11:25,867 THAT'S A FISH. 192 00:11:38,967 --> 00:11:42,167 THIS ONE IS MUCH BIGGER THAN MY FIRST CATCH. 193 00:11:42,267 --> 00:11:45,367 ONE VERY SIGNIFICANT THING ABOUT THIS FISH 194 00:11:45,467 --> 00:11:48,100 IS THE -- THE HINGING IN THE MOUTH. 195 00:11:48,200 --> 00:11:50,800 YOU'VE ACTUALLY GOT A DOUBLE HINGE THERE. 196 00:11:50,900 --> 00:11:53,100 YOU'VE ACTUALLY GOT ONE HINGE HERE, 197 00:11:53,200 --> 00:11:57,067 AND THEN YOU'VE GOT A SECOND HINGE UP HERE. 198 00:12:02,900 --> 00:12:06,200 WHAT THIS MEANS IS THAT IT CAN OPEN ITS JAWS 199 00:12:06,300 --> 00:12:08,667 A LOT WIDER THAN OTHER FISH. 200 00:12:08,767 --> 00:12:13,067 AS A RESULT, ITS BARE TEETH POINT FORWARDS WHEN IT STRIKES, 201 00:12:13,133 --> 00:12:16,667 ENABLING IT TO CUT LARGE CHUNKS OUT OF ANIMALS 202 00:12:16,767 --> 00:12:18,733 MUCH BIGGER THAN ITSELF. 203 00:12:21,933 --> 00:12:25,400 RIGHT. SO I THINK IT'S TIME TO GET THIS ONE BACK IN THE WATER. 204 00:12:31,367 --> 00:12:33,300 I FISH ON TILL DUSK, 205 00:12:33,400 --> 00:12:34,633 TRYING TO WORK OUT 206 00:12:34,733 --> 00:12:37,767 IF I REALLY AM IN THE MIDST OF A TIGERFISH PACK. 207 00:12:42,767 --> 00:12:45,067 WHAT HAPPENED JUST NOW IS VERY INTERESTING. 208 00:12:45,167 --> 00:12:47,833 THERE WAS A KNOCK ON THE LURE, ANOTHER ONE, ANOTHER ONE. 209 00:12:47,933 --> 00:12:50,267 NOW, IT COULD'VE BEEN THIS SAME FISH CHASING IT. 210 00:12:50,367 --> 00:12:52,900 IT COULD'VE BEEN A GROUP OF THEM DOWN THERE. 211 00:12:53,067 --> 00:12:55,333 FROM WHERE I AM ON THE BOAT, 212 00:12:55,433 --> 00:12:57,100 THERE'S ACTUALLY NO WAY OF TELLING. 213 00:12:57,200 --> 00:13:00,067 TIGERFISH CLEARLY HAVE THE HARDWARE 214 00:13:00,100 --> 00:13:02,133 TO DO SOME SERIOUS DAMAGE. 215 00:13:03,733 --> 00:13:06,333 BUT WHAT IF I WAS TO JUMP IN? 216 00:13:06,433 --> 00:13:08,400 WOULD THEY ACTUALLY ATTACK ME? 217 00:13:08,500 --> 00:13:12,633 ONE RECENT STORY FROM ZIMBABWE MAKES ME WONDER. 218 00:13:15,267 --> 00:13:16,967 IN SEARCH OF WORK, 219 00:13:17,067 --> 00:13:21,133 TWO YOUNG MEN DECIDE TO ENTER SOUTH AFRICA ILLEGALLY. 220 00:13:22,200 --> 00:13:26,233 TO AVOID A BORDER POST, THEY MUST SWIM ACROSS A RIVER. 221 00:13:27,567 --> 00:13:29,100 BUT WITHIN MINUTES, 222 00:13:29,200 --> 00:13:31,933 THEY'RE ATTACKED BY SOMETHING IN THE WATER. 223 00:13:35,200 --> 00:13:37,067 AAH! 224 00:13:39,767 --> 00:13:43,433 BY ALL ACCOUNTS, THE WOUNDS ON THE MEN'S HANDS AND FEET 225 00:13:43,533 --> 00:13:47,433 WERE UNMISTAKABLY THE WORK OF TIGERFISH. 226 00:13:57,500 --> 00:13:58,700 NOW, I LOVE FISHING, 227 00:13:58,800 --> 00:14:00,933 BUT THERE'S A LIMIT TO WHAT FISHING CAN TELL YOU. 228 00:14:01,067 --> 00:14:03,100 BASICALLY, IT TELLS YOU THAT A CERTAIN FISH 229 00:14:03,200 --> 00:14:05,733 WAS IN A CERTAIN PLACE, AND IT WAS FEEDING. 230 00:14:05,833 --> 00:14:08,733 BUT TO TRULY UNDERSTAND THIS FISH, 231 00:14:08,833 --> 00:14:11,433 I'VE GOT TO GET BENEATH THE SURFACE WITH IT, 232 00:14:11,533 --> 00:14:14,367 UNDERWATER, IN ITS DOMAIN. 233 00:14:14,467 --> 00:14:17,600 IN EFFECT, WHAT I'VE GOT TO DO, 234 00:14:17,700 --> 00:14:21,900 I'VE GOT TO TURN MYSELF INTO HUMAN BAIT. 235 00:14:22,933 --> 00:14:24,700 THAT'S EASIER SAID THAN DONE. 236 00:14:24,800 --> 00:14:27,767 BEFORE I CAN GO EYE-TO-EYE WITH TIGERFISH, 237 00:14:27,867 --> 00:14:30,833 I FIRST NEED TO GET PAST THE CROCODILES. 238 00:14:32,400 --> 00:14:35,833 TO FIND OUT HOW, I'M MEETING BRAD BESTERLINK, 239 00:14:35,933 --> 00:14:38,900 A MAN WHO'S GROWN UP IN THE DELTA. 240 00:14:39,900 --> 00:14:43,500 IF ANYONE CAN MAKE SURE I DON'T END UP AS REPTILE FOOD, 241 00:14:43,600 --> 00:14:46,767 IT'S BRAD, BUT THERE ARE NO GUARANTEES. 242 00:14:46,867 --> 00:14:50,733 SO, WHAT ABOUT THE LARGE ANIMALS THAT EXIST HERE -- 243 00:14:50,833 --> 00:14:52,900 THE ELEPHANTS, THE HIPPOS, THE CROCS? 244 00:14:53,067 --> 00:14:54,467 HOW DO YOU WORK AROUND THEM? 245 00:14:54,567 --> 00:14:56,633 CROCS ARE MUCH HARDER TO ANTICIPATE, 246 00:14:56,733 --> 00:14:58,100 AND THAT'S JUST SOMETHING 247 00:14:58,200 --> 00:15:00,500 THAT WE HAVE TO DEAL WITH IN THE WATER. 248 00:15:00,600 --> 00:15:02,567 SO WHEN YOU SAY "DEAL WITH IN THE WATER," 249 00:15:02,667 --> 00:15:04,200 WHAT DOES THAT INVOLVE? 250 00:15:04,300 --> 00:15:07,267 YOU KNOW, THAT SOUNDS PRETTY DANGEROUS. 251 00:15:07,367 --> 00:15:10,500 WE CAN MANAGE INTERACTIONS WITH CROCS ON THE BOTTOM. 252 00:15:10,600 --> 00:15:13,933 ON THE SURFACE, THAT'S WHERE YOU DIE. 253 00:15:16,100 --> 00:15:20,400 BRAD HAS FIGURED OUT THAT, FOR A FEW WEEKS EVERY WINTER, 254 00:15:20,500 --> 00:15:22,467 THE WATER TEMPERATURE IS LOW ENOUGH 255 00:15:22,567 --> 00:15:25,833 TO SLOW DOWN THE COLD-BLOODED CROCS. 256 00:15:25,933 --> 00:15:28,133 IN EFFECT, THEY ENTER A BRIEF HIBERNATION 257 00:15:28,233 --> 00:15:29,767 WHEN THEY CEASE TO HUNT. 258 00:15:31,867 --> 00:15:34,467 SO FAR, SO LOGICAL, 259 00:15:34,567 --> 00:15:37,633 BUT I'M FEELING ANYTHING BUT REASSURED. 260 00:15:41,633 --> 00:15:44,467 THE ENORMITY OF WHAT MIGHT BE HAPPENING TOMORROW 261 00:15:44,567 --> 00:15:45,933 IS STARTING TO SINK IN. 262 00:15:46,067 --> 00:15:48,200 I COULD BE WITHIN TOUCHING DISTANCE 263 00:15:48,300 --> 00:15:50,600 OF ONE OF THESE ANIMALS IN ITS ELEMENT. 264 00:15:50,700 --> 00:15:55,667 NOW, I'VE SEEN THE DAMAGE THAT CROCODILES CAN DO TO PEOPLE, 265 00:15:55,767 --> 00:16:00,433 AND IT'S VERY HARD TO ACTUALLY PUT THAT FROM MY MIND. 266 00:16:03,100 --> 00:16:05,767 ANOTHER THING THAT'S ACTUALLY SURFACING IN MY MIND RIGHT NOW 267 00:16:05,867 --> 00:16:08,967 IS A SAYING THAT THE TRIBESPEOPLE HAVE HERE. 268 00:16:09,067 --> 00:16:12,700 WHAT THEY SAY IS THIS -- "I AM THE RIVER. 269 00:16:12,800 --> 00:16:16,700 MY SURFACE GIVES YOU LIFE. BELOW IS DEATH." 270 00:16:25,067 --> 00:16:29,067 NEXT MORNING, BRAD AND I HEAD OUT TO OUR FIRST DIVE LOCATION, 271 00:16:29,100 --> 00:16:31,200 CLOSE TO WHERE I WAS FISHING. 272 00:16:32,700 --> 00:16:35,067 I'M HOPING TO ENCOUNTER THE SAME TIGERFISH 273 00:16:35,133 --> 00:16:36,833 THAT WERE ATTACKING MY LURE. 274 00:16:39,767 --> 00:16:43,767 NO ONE HAS EVER DIVED WITH TIGERFISH BEFORE 275 00:16:43,867 --> 00:16:47,867 BECAUSE MOST DIVERS CONSIDER THESE WATERS TOO DANGEROUS. 276 00:16:54,767 --> 00:16:56,400 THE WATER'S LOVELY AND CLEAR. 277 00:16:56,500 --> 00:16:57,667 UM... 278 00:16:57,767 --> 00:16:59,300 ALMOST LIKE AN AQUARIUM. 279 00:16:59,400 --> 00:17:02,100 IT ACTUALLY LOOKS VERY BENIGN, 280 00:17:02,200 --> 00:17:05,500 BUT THE KNOWLEDGE THAT THERE COULD BE CROCODILES DOWN THERE 281 00:17:05,600 --> 00:17:08,333 PUTS A RATHER DIFFERENT LIGHT ON PROCEEDINGS. 282 00:17:25,333 --> 00:17:27,533 OKAY. I THINK I'VE LOADED THAT ALL IN. 283 00:17:27,633 --> 00:17:29,633 IT -- IT -- IT MAKES SORT OF LOGICAL SENSE. 284 00:17:29,733 --> 00:17:31,567 IT'S JUST SORT OF PROCESSING IT EMOTIONALLY 285 00:17:31,667 --> 00:17:33,100 THAT THERE COULD BE SOMETHING -- 286 00:17:33,200 --> 00:17:35,100 THAT'S THE HARDEST THING. 287 00:17:35,200 --> 00:17:37,167 IF THERE IS A CROC DOWN BELOW, 288 00:17:37,267 --> 00:17:39,067 I'M HOPING IT'S NOT HUNGRY. 289 00:17:39,167 --> 00:17:44,400 Woman: 3...2...1...GO. 290 00:17:54,533 --> 00:17:57,833 I'M IN THE OKAVANGO DELTA IN BOTSWANA 291 00:17:57,933 --> 00:18:02,267 TO FIND OUT IF TIGERFISH REALLY ARE MAN-EATERS. 292 00:18:02,367 --> 00:18:05,667 TO TEST THIS, I NEED TO GET IN THE WATER, 293 00:18:05,767 --> 00:18:08,867 BUT THE WATER HERE IS ALSO STALKED BY CROCODILES. 294 00:18:08,967 --> 00:18:11,767 Woman: ...1...GO. 295 00:18:15,267 --> 00:18:18,067 I'M MOST VULNERABLE AT THE SURFACE, 296 00:18:18,133 --> 00:18:21,333 WHICH BRAD CALLS THE KILL ZONE. 297 00:18:21,433 --> 00:18:22,867 TO A LURKING CROC, 298 00:18:22,967 --> 00:18:26,667 MY SILHOUETTE WOULD PRESENT A CLEAR AND TEMPTING TARGET. 299 00:18:28,233 --> 00:18:30,367 SO TO MINIMIZE THE RISK OF AN ATTACK, 300 00:18:30,467 --> 00:18:33,433 I DESCEND QUICKLY TO THE RIVERBED. 301 00:18:37,233 --> 00:18:40,500 I'VE GOT A CAMERA AFFIXED TO MY DIVE STICK 302 00:18:40,600 --> 00:18:45,900 TO RECORD ANY ENCOUNTERS WITH EITHER TIGERFISH OR CROCODILES. 303 00:18:48,933 --> 00:18:51,867 AND MY MASK HAS A BUILT-IN MICROPHONE, 304 00:18:51,967 --> 00:18:54,867 HARDWIRED TO A RECORDER ON MY BACK. 305 00:18:56,467 --> 00:18:58,700 I CAN ALSO TALK TO THE DIVE BOAT, 306 00:18:58,800 --> 00:19:01,700 BUT COMMUNICATIONS MUST BE KEPT TO A MINIMUM, 307 00:19:01,800 --> 00:19:05,067 AS THE SOUND WAVES COULD ATTRACT CROCODILES. 308 00:19:05,167 --> 00:19:09,433 IT'S A TOTALLY DIFFERENT WORLD FROM HOW YOU IMAGINE IT. 309 00:19:11,300 --> 00:19:16,267 SEE HOW IT WOULD BE VERY EASY TO BLUNDER INTO SOMETHING. 310 00:19:21,067 --> 00:19:22,633 THEY DO SAY ABOUT CROCODILES, 311 00:19:22,733 --> 00:19:25,767 IT'S THE ONES YOU CAN'T SEE YOU SHOULD WORRY ABOUT. 312 00:19:27,533 --> 00:19:29,667 SO, EYES PEELED. 313 00:19:30,800 --> 00:19:35,400 IT'S HARD TO STAY RELAXED IN THIS NERVE-RACKING SITUATION. 314 00:19:35,500 --> 00:19:39,600 BUT IF I BREATHE TOO HARD, I'LL QUICKLY USE UP MY AIR SUPPLY. 315 00:19:40,500 --> 00:19:44,700 THE FIRST SIGNS OF LIFE ARE SOME SQUEAKER CATFISH, 316 00:19:44,800 --> 00:19:49,167 NAMED AFTER THE STRANGE NOISES THEY MAKE. 317 00:19:49,267 --> 00:19:51,967 NICE TO SEE SOME OF THE FISH DOWN HERE. 318 00:19:53,767 --> 00:19:57,333 THEY STICK CLOSE TOGETHER, PARTLY FOR PROTECTION, 319 00:19:57,433 --> 00:20:01,433 BUT WHETHER FROM TIGERFISH OR CROCS, I'M NOT SURE. 320 00:20:04,933 --> 00:20:08,867 IT'S ALMOST LIKE... BEING IN A PLANE 321 00:20:08,967 --> 00:20:11,733 AND FLYING INTO A THUNDERSTORM. 322 00:20:11,833 --> 00:20:15,867 IT'S ALL BRIGHT AROUND YOU, AND YOU'RE JUST BEING TAKEN, 323 00:20:15,967 --> 00:20:19,100 IN THIS CASE BY THE CURRENT, TO THIS AREA OF DARK. 324 00:20:19,200 --> 00:20:21,667 BUT ACTUALLY, AS YOU APPROACH, IT LIGHTENS UP. 325 00:20:21,767 --> 00:20:23,700 BUT YOU'RE ALWAYS RATHER CONCERNED 326 00:20:23,800 --> 00:20:25,633 ABOUT WHAT MIGHT BE THERE. 327 00:20:25,733 --> 00:20:29,967 I HAVE TO REMIND MYSELF THAT I'M HERE TO FIND TIGERFISH. 328 00:20:30,067 --> 00:20:32,633 SO FAR, THERE'S NO SIGN OF THEM, 329 00:20:32,733 --> 00:20:34,800 AND MY DIVE TIME IS RUNNING OUT. 330 00:20:37,833 --> 00:20:41,100 COULD THE TIGERFISH HAVE MOVED ON, I WONDER, 331 00:20:41,200 --> 00:20:44,433 OR IS MY PRESENCE DOWN HERE MAKING THEM WARY? 332 00:20:50,967 --> 00:20:52,533 CROC! 333 00:20:54,933 --> 00:20:56,800 JUST HIT A CROC. JUST HIT A CROC. 334 00:20:56,900 --> 00:20:59,833 THIS LOOKS QUITE BIG. 335 00:21:00,067 --> 00:21:02,467 JUST LOWERED RIGHT DOWN ONTO A CROCODILE. 336 00:21:02,567 --> 00:21:04,933 AH! 337 00:21:05,067 --> 00:21:07,167 IT LOOKS RIGHT AT ME... 338 00:21:09,600 --> 00:21:11,700 ...AND KEEPS MOVING. 339 00:21:14,767 --> 00:21:17,067 I FOLLOW IT, TRUSTING IN BRAD'S THEORY 340 00:21:17,167 --> 00:21:19,200 THAT THE WATER IS STILL TOO COLD 341 00:21:19,300 --> 00:21:22,467 FOR THIS LARGE REPTILE TO BE IN FEEDING MODE. 342 00:21:24,067 --> 00:21:25,700 BUT EVEN IF THIS IS TRUE, 343 00:21:25,800 --> 00:21:29,833 THE CROC WILL STILL BITE ME IF I GET TOO CLOSE TO ITS HEAD. 344 00:21:31,833 --> 00:21:34,900 AND WITH A LARGE, STRUGGLING OBJECT CLAMPED IN ITS JAWS, 345 00:21:35,067 --> 00:21:39,500 IT COULD THEN THROW ITSELF INTO A DEATH ROLL, 346 00:21:39,600 --> 00:21:43,533 SPINNING ITS BODY WITH ENOUGH FORCE TO DISMEMBER ME. 347 00:21:49,233 --> 00:21:52,733 I AM WITHIN ABOUT A FOOT OF ITS TAIL. 348 00:21:52,833 --> 00:21:54,067 UNBELIEVABLE. 349 00:21:54,133 --> 00:21:57,967 UNBELIEVABLE THAT I CAN GET THIS CLOSE... 350 00:21:58,067 --> 00:21:59,833 AND EVEN TOUCH IT. 351 00:22:00,067 --> 00:22:02,367 I JUST TOUCHED ITS TAIL. 352 00:22:06,267 --> 00:22:09,167 WHO WOULD'VE THOUGHT THIS WAS POSSIBLE? 353 00:22:09,267 --> 00:22:12,767 HOLDING THE TAIL OF A CROCODILE -- 354 00:22:12,867 --> 00:22:16,167 A LIVE CROCODILE -- UNDERWATER. 355 00:22:17,533 --> 00:22:20,600 BUT ACTUALLY, IN THEORY, IT MAKES PERFECT SENSE. 356 00:22:20,700 --> 00:22:23,900 WHEN THEIR BODY TEMPERATURE IS LOW, 357 00:22:24,067 --> 00:22:26,067 AND WHEN WE ARE ON THE BOTTOM LIKE THIS, 358 00:22:26,167 --> 00:22:28,500 NOT CREATING A SILHOUETTE AGAINST THE SURFACE, 359 00:22:28,600 --> 00:22:32,500 THEY DON'T SEE US AS A THREAT, AND I CAN DO THIS. 360 00:22:32,600 --> 00:22:33,567 UNBELIEVABLE. 361 00:22:33,667 --> 00:22:36,433 TALK ABOUT PUTTING THEORY INTO PRACTICE. 362 00:22:36,533 --> 00:22:39,533 BUT IT WON'T BE LONG BEFORE THE WATER 363 00:22:39,633 --> 00:22:43,967 AND CROCS LIKE THIS ONE ARE GETTING DANGEROUSLY WARM. 364 00:22:46,600 --> 00:22:51,067 FOR NOW, THOUGH, THE BEAST'S INTENTIONS SEEM BENIGN... 365 00:22:51,100 --> 00:22:54,700 AND WE'RE ABLE TO SWIM SAFELY BACK TO OUR BOAT. 366 00:23:00,100 --> 00:23:01,567 [ BREATHES DEEPLY ] 367 00:23:01,667 --> 00:23:03,833 JUST GETTING BREATH BACK A LITTLE BIT. 368 00:23:03,933 --> 00:23:06,067 NOT NECESSARILY ALL DOWN TO EXERTION. 369 00:23:06,167 --> 00:23:08,667 UM... 370 00:23:08,767 --> 00:23:11,967 THAT WAS ME TOUCHING A CROC -- A LIVE CROC. 371 00:23:13,667 --> 00:23:15,133 I WAS TRYING TO PUT IT INTO WORDS 372 00:23:15,233 --> 00:23:17,200 WHILE I WAS DOWN THERE WHAT THAT FELT LIKE. 373 00:23:17,300 --> 00:23:21,067 I WAS PARTLY QUITE DETACHED AND THEORETICAL ABOUT IT. 374 00:23:21,133 --> 00:23:22,767 I KNOW WHAT BRAD HAS TOLD ME 375 00:23:22,867 --> 00:23:25,867 ABOUT THESE BEING VERY SPECIAL CIRCUMSTANCES HERE. 376 00:23:25,967 --> 00:23:27,833 THEIR BODY TEMPERATURE IS RIGHT DOWN. 377 00:23:27,933 --> 00:23:29,300 WE'RE APPROACHING THEM IN A WAY 378 00:23:29,400 --> 00:23:31,133 WHICH DOESN'T MAKE US LOOK LIKE PREY 379 00:23:31,233 --> 00:23:32,467 BECAUSE WE'RE ON THE BOTTOM. 380 00:23:32,567 --> 00:23:34,100 WE'RE NOT SILHOUETTED ABOVE IT. 381 00:23:34,200 --> 00:23:36,633 BUT EVEN SO, ACTUALLY PUTTING THAT INTO PRACTICE... 382 00:23:36,733 --> 00:23:38,900 HAVING EXPERIENCED THAT, 383 00:23:39,067 --> 00:23:42,967 I THINK -- I FEEL THAT WAS AN IMPORTANT HURDLE TO GET PAST. 384 00:23:43,067 --> 00:23:46,467 SO IF WE DO RUN INTO ONE AGAIN, I'M GONNA BE CALM. 385 00:23:46,567 --> 00:23:48,733 AND THE THING IS, I FEEL I CAN NOW FOCUS MORE 386 00:23:48,833 --> 00:23:51,533 ON LOOKING FOR THE TIGERS THAN CONTINUALLY LOOKING AROUND, 387 00:23:51,633 --> 00:23:52,967 "WHERE'S THE CROC GONNA BE?" 388 00:23:54,767 --> 00:23:56,767 CONDITIONS ARE CLEARLY CRUCIAL 389 00:23:56,867 --> 00:24:00,233 FOR TRIGGERING PREDATORY BEHAVIOR IN CROCODILES, 390 00:24:00,333 --> 00:24:01,867 AND I'M STARTING TO WONDER 391 00:24:01,967 --> 00:24:04,500 IF THE SAME COULD BE TRUE FOR TIGERFISH. 392 00:24:04,600 --> 00:24:08,867 THE TIGERFISH THEMSELVES, HOWEVER, SEEM TO HAVE VANISHED, 393 00:24:08,967 --> 00:24:11,333 AND TIME IS NOT ON MY SIDE. 394 00:24:12,733 --> 00:24:15,100 I'M KEEPING A CLOSE WATCH ON THE WATER TEMPERATURE, 395 00:24:15,200 --> 00:24:18,433 AND MY THERMOMETER READINGS AREN'T ENCOURAGING. 396 00:24:19,400 --> 00:24:21,467 THEY'RE APPROACHING THE CRITICAL THRESHOLD 397 00:24:21,567 --> 00:24:23,067 OF 66 DEGREES, 398 00:24:23,133 --> 00:24:26,300 THE POINT AT WHICH CROCODILES, ESPECIALLY THE LARGER ONES, 399 00:24:26,400 --> 00:24:28,733 START TO BECOME ACTIVE. 400 00:24:34,067 --> 00:24:36,133 BEFORE MY NEXT DIVE, 401 00:24:36,233 --> 00:24:39,500 I DECIDE TO TALK TO A MAN NAMED LLOYD WILMOT, 402 00:24:39,600 --> 00:24:41,600 A VETERAN OF THE DELTA. 403 00:24:41,700 --> 00:24:43,067 GOOD MORNING. 404 00:24:43,133 --> 00:24:44,733 BACK IN THE 1970s, 405 00:24:44,833 --> 00:24:47,933 LLOYD ACTUALLY EXPERIENCED A TIGERFISH ATTACK, 406 00:24:48,067 --> 00:24:51,833 AND I'M HOPING THAT HIS ACCOUNT MIGHT PROVIDE SOME INSIGHT 407 00:24:51,933 --> 00:24:55,533 INTO WHAT MAKES THESE FISH SO POTENTIALLY DANGEROUS. 408 00:25:40,400 --> 00:25:43,967 WHAT NEW AND VERY SURPRISING HUNTING BEHAVIOR 409 00:25:44,067 --> 00:25:47,200 HAVE SCIENTISTS RECENTLY WITNESSED IN TIGERFISH? 410 00:25:47,300 --> 00:25:49,700 THE ANSWER RIGHT AFTER THIS. 411 00:26:07,833 --> 00:26:10,467 IN BOTSWANA'S OKAVANGO DELTA, 412 00:26:10,567 --> 00:26:13,467 I'M DETERMINED TO FIND OUT IF A PACK OF TIGERFISH 413 00:26:13,567 --> 00:26:16,767 WOULD EVER ATTACK AND KILL A HUMAN. 414 00:26:22,067 --> 00:26:23,900 A MAN NAMED LLOYD WILMOT 415 00:26:24,067 --> 00:26:27,067 BELIEVES HE CAME CLOSE TO FINDING OUT 416 00:26:27,100 --> 00:26:29,933 WHEN HIS PADDLE WAS REPEATEDLY ATTACKED 417 00:26:30,067 --> 00:26:33,800 BY A SWARM OF THESE HYPER-AGGRESSIVE FISH. 418 00:26:33,900 --> 00:26:37,467 WHAT ON EARTH WAS GOING ON? 419 00:26:39,100 --> 00:26:41,367 I'M WONDERING IF IT'S ONE OF THOSE THINGS 420 00:26:41,467 --> 00:26:43,233 WHERE IT'S NOT NORMAL BEHAVIOR, 421 00:26:43,333 --> 00:26:46,700 BUT POSSIBLY AS SOON AS ONE FISH DOES SOMETHING, 422 00:26:46,800 --> 00:26:48,633 THE OTHERS ALL GET THAT CONFIDENCE 423 00:26:48,733 --> 00:26:51,067 AND THEY ALL START DOING THE SAME THING. 424 00:27:04,867 --> 00:27:07,067 SO THE ONLY WAY TO ACTUALLY BE CERTAIN 425 00:27:07,133 --> 00:27:09,567 WHETHER THEY WOULD ACTUALLY GO FOR A PERSON 426 00:27:09,667 --> 00:27:12,200 IN THIS RATHER UNUSUAL CIRCUMSTANCE 427 00:27:12,300 --> 00:27:14,067 WOULD BE TO GET IN THE WATER. 428 00:27:25,800 --> 00:27:28,200 LLOYD IS THE FIRST PERSON I'VE MET 429 00:27:28,300 --> 00:27:32,067 WHO'S ACTUALLY EXPERIENCED TIGERFISH AGGRESSION FIRSTHAND. 430 00:27:32,167 --> 00:27:34,733 AND ALTHOUGH HIS ENCOUNTER WASN'T A BLOODY ONE, 431 00:27:34,833 --> 00:27:38,267 IT'S PLANTED AN UNNERVING THOUGHT IN MY MIND. 432 00:27:41,067 --> 00:27:44,900 THESE FISH APPEAR TO OPERATE ON A HAIR TRIGGER, 433 00:27:45,067 --> 00:27:48,633 PRIMED TO ATTACK ANYTHING THAT LOOKS LIKE PREY. 434 00:27:48,733 --> 00:27:50,567 AND ONCE ONE OF THEM BITES, 435 00:27:50,667 --> 00:27:53,800 IT SEEMS THE REST OF THEM QUICKLY PILE IN. 436 00:27:55,767 --> 00:27:59,200 IF I'M GOING TO PROVE THAT TIGERFISH TARGET HUMANS, 437 00:27:59,300 --> 00:28:02,500 THEN I NEED TO GET BACK IN THE WATER 438 00:28:02,600 --> 00:28:05,100 AND OFFER MYSELF AS LIVE BAIT. 439 00:28:06,267 --> 00:28:09,133 SO FAR, THOUGH, THE FISH ARE PROVING ELUSIVE, 440 00:28:09,233 --> 00:28:11,833 AND MY WINDOW OF OPPORTUNITY IS CLOSING. 441 00:28:11,933 --> 00:28:16,867 IF THE WATER GETS TOO WARM, THE CROCS WILL ATTACK. 442 00:28:16,967 --> 00:28:19,500 EARLY START TODAY BEFORE THE SUN GETS TOO HIGH. 443 00:28:19,600 --> 00:28:21,700 NO TIGERFISH YESTERDAY, AND SO WHAT THAT MEANS 444 00:28:21,800 --> 00:28:23,800 IS WE'RE GOING MORE INTO THE MAIN CHANNELS, 445 00:28:23,900 --> 00:28:26,267 BUT THERE'S MORE CHANCE THERE OF ENCOUNTERING A CROC, 446 00:28:26,367 --> 00:28:27,667 AND THE WORRY AT THE MOMENT 447 00:28:27,767 --> 00:28:30,633 IS THE TEMPERATURE'S ACTUALLY GETTING WARMER DAY BY DAY. 448 00:28:39,500 --> 00:28:40,967 THE WATER IS VISIBLY GOING DOWN, 449 00:28:41,067 --> 00:28:43,600 AND IT'S COMING BACK INTO THE CHANNEL, WHICH IS GOOD, 450 00:28:43,700 --> 00:28:46,167 BECAUSE THE FISH ARE GOING TO BE MORE CONCENTRATED, 451 00:28:46,267 --> 00:28:47,433 MORE PRESENT IN THE CHANNELS, 452 00:28:47,533 --> 00:28:49,100 BUT THE OTHER THING THAT'S HAPPENING 453 00:28:49,200 --> 00:28:51,700 IS THE WATER IS WARMING UP, AND WHEN THE WATER WARMS UP, 454 00:28:51,800 --> 00:28:54,400 THE CROCODILES WARM UP, AND IT'S GONNA HIT A POINT 455 00:28:54,500 --> 00:28:56,867 WHEN IT'S ACTUALLY NO LONGER SAFE TO GET IN THE WATER. 456 00:28:56,967 --> 00:28:59,600 SO WHAT WE'RE HAVING TO DO NOW IS GET OUT EARLIER IN THE DAY. 457 00:28:59,700 --> 00:29:01,067 WE STILL WANT LIGHT TO SEE BY, 458 00:29:01,133 --> 00:29:03,567 BUT OUR AVAILABLE TIME 459 00:29:03,667 --> 00:29:05,667 TO POSSIBLY SEE TIGERFISH IS LIMITED. 460 00:29:05,767 --> 00:29:07,267 I HAVEN'T GOT A LOT OF TIME. 461 00:29:08,767 --> 00:29:11,333 I'VE NOW MADE OVER A DOZEN DIVES 462 00:29:11,433 --> 00:29:15,333 WITHOUT ENCOUNTERING A SINGLE TIGERFISH. 463 00:29:15,433 --> 00:29:18,067 WHAT SEEMED STRAIGHTFORWARD WITH A ROD AND LINE 464 00:29:18,100 --> 00:29:22,667 IS PROVING MUCH MORE DIFFICULT WITH A DIVE SUIT AND AIR TANKS. 465 00:29:25,100 --> 00:29:26,800 BECAUSE SO LITTLE IS KNOWN 466 00:29:26,900 --> 00:29:28,767 ABOUT THE MOVEMENTS OF TIGERFISH, 467 00:29:28,867 --> 00:29:32,800 IT'S NOT EVEN CLEAR WHERE I SHOULD BE FOCUSING MY SEARCH. 468 00:29:35,833 --> 00:29:40,500 BUT HAVING COME SO FAR TO GET AN ANSWER, I'M NOT GIVING UP. 469 00:29:41,467 --> 00:29:47,300 IT'S TIME TO DIVE DEEPER, INTO AN UNEXPLORED HIDING PLACE. 470 00:29:47,400 --> 00:29:49,667 THE THING IS, WHEN YOU GET IN THE WATER HERE, 471 00:29:49,767 --> 00:29:52,067 YOU REALIZE THERE'S SO MUCH MORE TO THE RIVER 472 00:29:52,100 --> 00:29:54,200 THAN WHAT YOU SEE JUST BETWEEN THE BANKS. 473 00:29:54,300 --> 00:29:56,800 THERE ARE THESE OVERHANGS AND WHAT LOOK LIKE CAVES, 474 00:29:56,900 --> 00:30:00,267 IN FACT, UNDER THE VEGETATION, UNDER THE FLOATING VEGETATION. 475 00:30:00,367 --> 00:30:03,000 SO IT'S POSSIBLE THAT THE ROOTS OF THOSE WEEDS 476 00:30:03,100 --> 00:30:05,267 COULD PROVIDE SHELTER FOR SMALL FISH, 477 00:30:05,367 --> 00:30:08,133 AND IF THE SMALL FISH ARE THERE, THE PREDATORS COULD BE, AS WELL. 478 00:30:08,233 --> 00:30:09,267 SO TODAY, IT'S ALL ABOUT 479 00:30:09,367 --> 00:30:11,067 SPECIFICALLY GETTING UNDER THE BANKS, 480 00:30:11,167 --> 00:30:12,967 UNDERNEATH THE FLOATING VEGETATION, 481 00:30:13,067 --> 00:30:14,567 SEE WHAT WE CAN FIND THERE. 482 00:30:14,667 --> 00:30:17,567 THIS WILL BE A RISKY DIVE INTO PITCH-BLACK WATER 483 00:30:17,667 --> 00:30:20,100 WITH LITTLE ROOM TO MANEUVER. 484 00:30:20,200 --> 00:30:21,600 AND THE DENSE VEGETATION 485 00:30:21,700 --> 00:30:24,433 COULD ALSO LIMIT COMMUNICATION WITH THE BOAT. 486 00:30:27,833 --> 00:30:30,400 BUT MOST IMPORTANT, I'VE GOT TO KEEP A CLOSE EYE 487 00:30:30,500 --> 00:30:32,500 ON THE RISING WATER TEMPERATURE. 488 00:30:42,633 --> 00:30:44,533 JUST DOING A QUICK TEMPERATURE CHECK. 489 00:30:44,633 --> 00:30:47,700 IT'S 65 DEGREES, SO WE'RE SORT OF BORDERLINE, 490 00:30:47,800 --> 00:30:50,300 IN TERMS OF CROCODILE BEHAVIOR. 491 00:30:50,400 --> 00:30:53,100 SO WE'RE ON THAT POINT, UH -- 492 00:30:53,200 --> 00:30:55,900 THAT POINT WHERE THERE IS A KIND OF TRIGGER, 493 00:30:56,000 --> 00:30:59,800 WHERE THE CROCODILE'S BEHAVIOR FLIPS FROM ONE THING TO ANOTHER. 494 00:31:01,833 --> 00:31:03,667 THE WATER MAY BE CLEAR, 495 00:31:03,767 --> 00:31:08,133 BUT BENEATH THE FLOATING PAPYRUS, THERE IS NO SUNLIGHT. 496 00:31:09,267 --> 00:31:11,133 GOING INTO THE CAVE. 497 00:31:11,233 --> 00:31:16,067 NOW THIS IS WHERE VISIBILITY IS REALLY SHUTTING DOWN. 498 00:31:17,933 --> 00:31:21,500 TOPSIDE. TOPSIDE, DIVER ONE -- DO YOU RECEIVE, OVER? 499 00:31:23,200 --> 00:31:26,533 WITHIN SECONDS OF ENTERING THIS UNDERWORLD, 500 00:31:26,633 --> 00:31:29,400 I'VE LOST ALL CONTACT WITH THE SAFETY BOAT. 501 00:31:48,767 --> 00:31:50,867 I NEED TO STAY ALERT. 502 00:31:50,967 --> 00:31:53,667 IF I RUN INTO THE WRONG END OF A CROC, 503 00:31:53,767 --> 00:31:56,967 I WON'T HAVE THE SPACE OR TIME TO ESCAPE. 504 00:32:02,633 --> 00:32:06,367 A SHAFT OF SUNLIGHT PIERCES A SMALL GAP IN THE REEDS, 505 00:32:06,467 --> 00:32:10,200 REVEALING A LITTLE MORE OF THIS STRANGE, PARALLEL UNIVERSE. 506 00:32:10,300 --> 00:32:14,567 THIS IS AN AMAZING -- AN AMAZING LANDSCAPE. 507 00:32:14,667 --> 00:32:18,333 YOU JUST WOULDN'T SUSPECT THIS EXISTED AT ALL. 508 00:32:19,833 --> 00:32:23,133 OH, THERE'S SOME BREAM BEHIND US -- SHOAL OF BREAM. 509 00:32:28,367 --> 00:32:30,500 WE'RE QUITE A LONG WAY UNDER. 510 00:32:30,600 --> 00:32:34,333 INCREDIBLE, SPOOKY ATMOSPHERE. INCREDIBLE. 511 00:32:35,667 --> 00:32:37,433 A FEW HUNDRED FEET IN, 512 00:32:37,533 --> 00:32:41,667 I FEEL LIKE I'VE BEEN LURED INTO A DEADLY LABYRINTH. 513 00:32:43,067 --> 00:32:45,267 SUDDENLY REALLY CLOSING IN AROUND US. 514 00:32:45,367 --> 00:32:47,600 WE'VE GONE INTO SORT OF A CHAMBER NOW. 515 00:32:47,700 --> 00:32:50,333 SMALL ENTRANCE, WHICH HAS OPENED OUT. 516 00:32:51,500 --> 00:32:54,967 THIS IS A COMPLETELY DIFFERENT WORLD HERE. 517 00:32:59,700 --> 00:33:02,067 BUT VERTICALLY, IT'S VERY TIGHT. 518 00:33:02,167 --> 00:33:05,300 FLOOR IS VERY CLOSE. 519 00:33:05,400 --> 00:33:07,833 FULL OF SOFT VEGETATION. 520 00:33:07,933 --> 00:33:09,600 AND THE CEILING'S VERY CLOSE, 521 00:33:09,700 --> 00:33:13,067 SO IT'S -- IT'S QUITE CLAUSTROPHOBIC, IN FACT. 522 00:33:13,100 --> 00:33:15,967 I'M STARTING TO FEEL UNEASY 523 00:33:16,067 --> 00:33:19,367 AND TO WISH I WAS SOMEWHERE ELSE. 524 00:33:21,667 --> 00:33:27,333 THEN...SOMETHING BIG COMES LOOMING OUT OF THE SHADOWS. 525 00:33:29,200 --> 00:33:30,733 OH. 526 00:33:41,067 --> 00:33:43,867 IN MY SEARCH FOR A PACK OF TIGERFISH, 527 00:33:43,967 --> 00:33:45,833 I'M RUNNING OUT OF TIME. 528 00:33:47,533 --> 00:33:50,533 AT 65 DEGREES, THE WATER IS ALMOST WARM ENOUGH 529 00:33:50,633 --> 00:33:53,567 TO FLIP THE CROCODILES INTO FEEDING MODE. 530 00:33:53,667 --> 00:33:56,300 AND IN THE CLAUSTROPHOBIC UNDERWORLD 531 00:33:56,400 --> 00:33:58,433 BENEATH THE FLOATING REED BEDS, 532 00:33:58,533 --> 00:34:00,600 I'VE JUST RUN INTO SOMETHING BIG. 533 00:34:00,700 --> 00:34:02,400 OH. 534 00:34:03,900 --> 00:34:06,267 THERE'S A MONSTER CATFISH HERE. 535 00:34:07,900 --> 00:34:10,900 JUST SAYING A MONSTER CATFISH. 536 00:34:13,200 --> 00:34:17,800 A CATFISH THIS SIZE WOULD NORMALLY BE BEAST ENOUGH FOR ME. 537 00:34:17,900 --> 00:34:21,367 HERE, IT'S JUST ONE OF SEVERAL FORMIDABLE PREDATORS, 538 00:34:21,467 --> 00:34:24,600 AND IT'S NOT THE ONE I'M AFTER. 539 00:34:29,100 --> 00:34:33,067 SUDDENLY, IT'S OPENING OUT. I'VE NO IDEA WHERE I AM. 540 00:34:36,667 --> 00:34:40,933 IT'S ACTUALLY QUITE A RELIEF TO BE OUT OF THOSE CAVES. 541 00:34:41,067 --> 00:34:43,433 IT'S VERY SPOOKY IN THERE. 542 00:34:45,500 --> 00:34:48,933 THIS IS THE REMAINS OF A WOODEN CANOE 543 00:34:49,067 --> 00:34:51,367 DOWN HERE ON THE BOTTOM OF THE RIVER. 544 00:34:53,767 --> 00:34:56,700 I WONDER WHAT STORY THIS HAS GOT TO TELL. 545 00:35:00,233 --> 00:35:03,567 THEN, SILENTLY GHOSTING INTO VIEW, 546 00:35:03,667 --> 00:35:06,867 THE VERY FISH I'VE COME TO MEET. 547 00:35:07,900 --> 00:35:11,200 I'VE JUST SEEN A TIGERFISH. I'VE JUST SEEN A TIGERFISH. 548 00:35:11,300 --> 00:35:13,700 IT'S CHECKING ME OUT. 549 00:35:17,633 --> 00:35:19,433 THAT WAS A BIG TIGERFISH. 550 00:35:19,533 --> 00:35:21,733 JUST SWAM RIGHT IN FRONT OF ME. 551 00:35:21,833 --> 00:35:24,200 AND RIGHT ABOVE ME IS A SIGHT 552 00:35:24,300 --> 00:35:28,200 THAT POSSIBLY NO ONE HAS EVER SEEN BEFORE. 553 00:35:28,300 --> 00:35:29,433 THERE'S FISH ABOVE US, 554 00:35:29,533 --> 00:35:31,433 AND THOSE ARE DEFINITELY TIGERFISH. 555 00:35:31,533 --> 00:35:32,800 JUST BIG TIGERFISH THERE. 556 00:35:32,900 --> 00:35:35,133 THEY'VE APPEARED FROM NOWHERE, 557 00:35:35,233 --> 00:35:37,900 AND THEY'RE BARELY 20 FEET AWAY. 558 00:35:38,067 --> 00:35:41,100 VERY RECOGNIZABLE BECAUSE OF THAT DEEP-FORKED TAIL. 559 00:35:42,333 --> 00:35:44,067 SHOAL OF TIGERFISH. 560 00:35:44,100 --> 00:35:47,833 THERE MUST BE AT LEAST 50 ADULTS IN THIS PACK, 561 00:35:47,933 --> 00:35:49,667 ALL OF A SIMILAR SIZE. 562 00:35:52,833 --> 00:35:56,733 AND THOSE ARE JUST THE ONES I CAN SEE. 563 00:36:00,367 --> 00:36:03,333 WOW. THAT IS A LOT OF TIGERFISH. 564 00:36:03,433 --> 00:36:06,500 THEY'RE IN MORE NUMBERS THAN I THOUGHT POSSIBLE. 565 00:36:09,067 --> 00:36:11,867 THEY'RE STILL COMING. THEY'RE STILL COMING. 566 00:36:11,967 --> 00:36:15,400 AND I FINALLY FOUND THE TIGERFISH. 567 00:36:15,500 --> 00:36:17,067 THERE ARE PACKS OF THEM. 568 00:36:17,133 --> 00:36:19,100 THIS IS REALLY QUITE INCREDIBLE. 569 00:36:19,200 --> 00:36:20,600 I'M VERY AWARE 570 00:36:20,700 --> 00:36:23,200 THAT THE TIGERFISH ARE BETWEEN ME AND THE BOAT. 571 00:36:23,300 --> 00:36:25,967 BUT SO FAR, THEY'RE KEEPING THEIR DISTANCE. 572 00:36:26,067 --> 00:36:28,433 MAYBE THEY'RE BIDING THEIR TIME. 573 00:36:31,067 --> 00:36:33,800 IF THEY REALLY ARE SUPER-AGGRESSIVE, 574 00:36:33,900 --> 00:36:36,067 THEN WHY ARE THEY HOLDING BACK? 575 00:36:36,133 --> 00:36:37,833 PERHAPS WHAT'S MISSING 576 00:36:37,933 --> 00:36:41,433 IS SOMETHING TO PROVOKE THAT FIRST CRUCIAL BITE, 577 00:36:41,533 --> 00:36:44,533 THE BITE THAT UNLEASHES THE REST OF THE PACK. 578 00:36:44,633 --> 00:36:48,967 SOUNDS CRAZY, BUT MAYBE I NEED TO PROVIDE A TRIGGER. 579 00:36:50,600 --> 00:36:51,967 WHAT I HAVE IN MIND 580 00:36:52,067 --> 00:36:55,800 MAY JUST BE THE RISKIEST THING I'M EVER LIKELY TO DO. 581 00:36:57,067 --> 00:37:00,067 BUT IT'S NOW OR NEVER. 582 00:37:00,100 --> 00:37:03,167 THIS IS VERY MUCH UNKNOWN TERRITORY WE'RE GOING INTO, 583 00:37:03,267 --> 00:37:05,733 TRYING TO ENCOUNTER TIGERFISH UNDERWATER. 584 00:37:05,833 --> 00:37:07,733 BECAUSE TIME IS SHORT, WHAT I'M DOING, 585 00:37:07,833 --> 00:37:09,633 I'M EFFECTIVELY GONNA CHUM THE WATER 586 00:37:09,733 --> 00:37:12,367 WITH SOME OF THE TIGERFISH'S NORMAL DIET -- SMALL FISH. 587 00:37:12,467 --> 00:37:14,400 SO I'VE GOT A FEW HANDFULS OF THIS, 588 00:37:14,500 --> 00:37:16,633 AND I'M GONNA THROW THAT INTO THE WATER 589 00:37:16,733 --> 00:37:18,600 AND SEE HOW THEY RESPOND. 590 00:37:18,700 --> 00:37:21,767 AND I'LL BE IN THE WATER WITH THEM. 591 00:37:23,200 --> 00:37:25,300 I'VE NO IDEA HOW CHUMMING THE WATER 592 00:37:25,400 --> 00:37:26,833 WILL AFFECT THE TIGERFISH, 593 00:37:26,933 --> 00:37:29,067 BUT I'M HOPING THEY'RE STILL HERE. 594 00:37:30,267 --> 00:37:34,333 IF THEY DO TURN NASTY, I'M READY TO RUN FOR THE BOAT. 595 00:37:38,067 --> 00:37:39,700 I DON'T HAVE TO WAIT LONG. 596 00:37:39,800 --> 00:37:42,233 TIGERFISH RIGHT NEXT TO THE BOAT. 597 00:37:43,267 --> 00:37:45,500 AMAZINGLY CLOSE TO SOME TIGERFISH. 598 00:37:45,600 --> 00:37:48,300 WILL ONE OF THEM BE FIRST TO STRIKE? 599 00:37:58,467 --> 00:38:01,067 IN A REMOTE CORNER OF A REMOTE SWAMP, 600 00:38:01,167 --> 00:38:04,067 I'M TURNING MYSELF INTO HUMAN BAIT. 601 00:38:04,167 --> 00:38:08,300 I'VE FINALLY CAUGHT UP WITH A LARGE PACK OF TIGERFISH, 602 00:38:08,400 --> 00:38:11,933 BUT SO FAR, THEY'VE DECLINED TO ATTACK ME. 603 00:38:12,067 --> 00:38:15,167 SO I'VE DECIDED TO CHUM THE WATER. 604 00:38:15,267 --> 00:38:19,133 THIS IS VERY MUCH UNKNOWN TERRITORY WERE GOING INTO. 605 00:38:19,233 --> 00:38:23,267 AND IT'S NOT JUST THE TIGERFISH I HAVE TO WORRY ABOUT. 606 00:38:23,367 --> 00:38:27,133 WITH WATER TEMPERATURES CLIMBING INTO THE HIGH 60s, 607 00:38:27,233 --> 00:38:29,767 IT WON'T BE LONG BEFORE THE CROCODILES WARM UP 608 00:38:29,867 --> 00:38:33,333 AND COME LOOKING FOR PREY. 609 00:38:33,433 --> 00:38:37,200 I'M STARTING TO WONDER WHAT WILL ATTACK ME FIRST. 610 00:38:38,500 --> 00:38:41,067 AMAZINGLY CLOSE TO SOME TIGERFISH. 611 00:38:42,367 --> 00:38:46,467 BUT ALMOST AS SOON AS I SEE THEM... 612 00:38:46,567 --> 00:38:47,800 THEY'RE GONE. 613 00:38:47,900 --> 00:38:51,133 I'M JUST LOOKING AT THE WATER TEMPERATURE. 614 00:38:51,233 --> 00:38:54,700 IT'S 66, WHICH IS ACTUALLY NOT GOOD NEWS. 615 00:38:54,800 --> 00:38:57,167 ACCORDING TO BRAD, THE TEMPERATURE 616 00:38:57,267 --> 00:39:00,967 WHERE THE CROC STARTS TO WAKE UP A LITTLE BIT IS 64. 617 00:39:02,133 --> 00:39:06,267 SO WE'RE SLIGHTLY ON THE EDGE OF WHAT WE SHOULD BE DOING. 618 00:39:08,067 --> 00:39:09,767 I'M PUSHING MY LUCK, 619 00:39:09,867 --> 00:39:13,733 BUT I WANT TO KNOW IF TIGERFISH ARE MAN-EATERS, 620 00:39:13,833 --> 00:39:17,200 AND I'M TOO CLOSE TO PULL OUT NOW. 621 00:39:17,300 --> 00:39:19,233 JUST OPENING THE FISH BAG. 622 00:39:21,733 --> 00:39:25,733 I DO WONDER ABOUT THE ADVISABILITY OF BEING DOWN HERE 623 00:39:25,833 --> 00:39:28,900 WITH A BAG OF BLOODY, CHOPPED-UP FISH. 624 00:39:29,067 --> 00:39:32,633 WITHIN MINUTES, THE TIGERFISH ARE BACK. 625 00:39:32,733 --> 00:39:36,733 AND THIS TIME, THEY'RE COMING IN TO CHECK ME OUT. 626 00:39:36,833 --> 00:39:37,967 THEY'RE GETTING CLOSER. 627 00:39:38,067 --> 00:39:40,400 THEY'RE GETTING CLOSER AND CLOSER ALL THE TIME. 628 00:39:40,500 --> 00:39:44,067 I BRACE MYSELF FOR THE JAWS. 629 00:39:44,167 --> 00:39:45,800 AND THEN... 630 00:39:50,967 --> 00:39:52,167 ...NOTHING. 631 00:39:55,600 --> 00:40:00,833 I'M IN PLAIN SIGHT OF PERHAPS 50 HUNGRY TIGERFISH, 632 00:40:00,933 --> 00:40:03,133 YET THEY'RE REFUSING TO TOUCH ME. 633 00:40:03,233 --> 00:40:04,900 THIS IS REALLY QUITE INCREDIBLE. 634 00:40:05,000 --> 00:40:08,600 THEY'RE SO BOLD UNDERWATER, COMING SO CLOSE. 635 00:40:08,700 --> 00:40:13,367 IT REALLY SHOWS THAT HUNGER OVERRIDES ALL OTHER EMOTIONS. 636 00:40:15,667 --> 00:40:19,167 IN THEORY, I'M AN EASY MEAL, 637 00:40:19,267 --> 00:40:22,633 BUT THE FISH SEEM MORE CURIOUS THAN MURDEROUS. 638 00:40:25,533 --> 00:40:28,433 THEY'VE GOT THE JAWS AND TEETH TO ATTACK ME, 639 00:40:28,533 --> 00:40:31,400 BUT PLAINLY, THEY DON'T SEE ME AS FOOD. 640 00:40:31,500 --> 00:40:34,100 I'M SIMPLY NOT ON THEIR MENU. 641 00:40:38,333 --> 00:40:40,267 SO WHAT ABOUT THOSE RARE STORIES 642 00:40:40,367 --> 00:40:42,333 WHERE PEOPLE HAVE BEEN ATTACKED? 643 00:40:43,533 --> 00:40:46,567 THE VICTIMS OF THE OVERTURNED BOAT 644 00:40:46,667 --> 00:40:49,600 AND THE MIGRANT WORKERS MAULED IN THE RIVER? 645 00:40:51,067 --> 00:40:55,433 SO, IN OTHER CONDITIONS, COULD TIGERFISH TAKE DOWN A PERSON? 646 00:40:55,533 --> 00:40:59,267 THE ANSWER MAY LIE IN THE RIVER ITSELF. 647 00:40:59,367 --> 00:41:02,867 MY EXPERIMENT TELLS ME THAT AS LONG AS TIGERFISH 648 00:41:02,967 --> 00:41:06,733 CAN CLEARLY SEE WHAT THEY'RE DEALING WITH, WE'RE SAFE. 649 00:41:06,833 --> 00:41:10,100 BUT VISIBILITY IS RARELY SO GOOD. 650 00:41:10,200 --> 00:41:12,767 IMAGINE MORE CLOUDY WATER CONDITIONS, 651 00:41:12,867 --> 00:41:15,967 WHEN THEY CAN'T MAKE OUT AN ENTIRE HUMAN SHAPE, 652 00:41:16,067 --> 00:41:18,067 JUST DISEMBODIED HANDS OR FEET 653 00:41:18,100 --> 00:41:20,667 FLASHING THROUGH THE WATER IN FRONT OF THEM. 654 00:41:20,767 --> 00:41:22,967 FACTOR IN THE WAY THEY HUNT IN PACKS, 655 00:41:23,067 --> 00:41:26,100 THEIR INSTINCT TO BITE FIRST AND ASK QUESTIONS LATER, 656 00:41:26,200 --> 00:41:28,067 AND THEIR BOLDNESS TO ALL PILE IN 657 00:41:28,167 --> 00:41:30,567 ONCE THE FIRST FISH HAS TAKEN THE FIRST BITE. 658 00:41:30,667 --> 00:41:33,200 IN THOSE CONDITIONS, I THINK IT'S TRUE TO SAY 659 00:41:33,300 --> 00:41:36,667 THAT I WOULDN'T FEEL SO HAPPY TO BE IN THE WATER WITH THEM. 51906

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