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Monster Fish

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Aquatic ecologist Zeb Hogan gets up close and personal with bizarre giants of the water, specimens equally enormous in proportion and odd in appearance. Among other adventures, Hogan investigates flying fish from Asia that are invading America's waterways, and he searches for one of North America's toothiest and most-misunderstood monster fish, the alligator gar. Some of the species Hogan encounters have survived for centuries but now face the threat of extinction, and he presents groundbreaking research undertaken to protect them.

Latest episodes

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River rays in Thailand and Australia reportedly growing up to 16 feet could be the world's largest freshwater fish.
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In Nicaragua, tarpon are a top predator and it can take hours to reel one in. Zeb will face his most difficult battle hunting for one of the biggest monsters of them all.
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Dr. Zeb Hogan hunts for the biggest wolf fish he can find in the heart of Guyana, to see if they deserve their fearsome reputation.
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Zeb Hogan searches for super-sized catfish in the last great, undammed river of Asia, the Salween.
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An elusive giant green sturgeon may lurk in the Pacific Northwest.
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Dr. Zeb Hogan explores the Rio Roosevelt in Brazil's Amazon basin in search of monster catfish and new aquatic species.
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Searching for monster snakehead in their natural habitat of Thailand, and Florida, where they are aggressive invaders.
aired 25 days ago
Zeb is in a town called Albi in southern France to see a giant Wels catfish for himself.
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Dr. Hogan travels to Spain in search of the invasive wels catfish.
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Dr. Zeb Hogan travels to the India Himalayas in search of a large catfish called a Goonch that has been accused of attacking and killing people.
aired 31 days ago
Fish biologist Zeb Hogan is looking for one of the freakiest fish in the world; vampire fish, known locally as payara, weigh up to 40 pounds, hunt like great white sharks and have terrifying 6-inch fangs.
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Zeb looks for a cow-sized goldfish in Thailand and Cambodia.
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Russian's remote Kamchatka hosts a mass migration of millions of salmon, making it one of the world's last truly wild salmon sanctuaries.
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Zeb Hogan travels to the jungles of Malaysia, where wallago are rumored to swallow monkeys, porcupines and even monitor lizards.
airs in 4 days
Zeb explores Florida's deep-water reefs and wrecks on a mission to catch a gargantuan 7-foot goliath grouper, the largest of the western Atlantic groupers, and uncover the surprising truth about its monstrous reputation.
aired 32 days ago
Zeb Hogan explores the maze-like river systems of Argentina on a quest to catch a colossal 400-pound short-tailed river ray, the largest freshwater stingray found in South America, and uncover the surprising sting it's hiding in its tail.
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Nile perch in Lake Victoria and the Nile River in Uganda.
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Zeb travels Thailand in search of giant fish; freshwater protected areas where fish cannot be harvested; a teenage entrepreneur who deals in freshwater giants.
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The Murray-Darling Basin is home to Australia's largest fresh-water fish, the Murray Cod, which can grow up to 6 foot long and weigh in at 250 pounds.
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Dr. Zeb Hogan travels to Khone Falls in Laos, one of the largest waterfalls in the world, to unlock the secret of how giant fish are able to climb the cascades.
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Zeb Hogan seeks to catch the elusive king salmon as armies of salmon surge through Alaska's icy waters during mating season.

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