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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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Dr. Zeb Hogan searches the southern United States for the rapidly disappearing alligator gar.
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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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With biologists fearful that the wels catfish could destroy the local ecosystem, Zeb travels to Spain to get the lowdown on the vicious predator.
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Zeb Hogan attempts to find out why two species of carp from China are exploding in the Mississippi River basin.
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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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Searching for monster snakehead in their natural habitat of Thailand, and Florida, where they are aggressive invaders.
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Dr. Zeb Hogan searches the Brazilian Amazon to see if the shock of an electric eel is proportionate to the fish's size.
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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 seeks to catch the elusive king salmon as armies of salmon surge through Alaska's icy waters during mating season.
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Fishermen tell of giant catfish; separating fact from fiction.
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An elusive giant green sturgeon may lurk in the Pacific Northwest.
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Zeb Hogan is on a quest to catch a "river shark" to determine the truth behind their deadly reputation.
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Zeb searches for fish with the worst reputations to find out if they live up to the bad hype.
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Zeb Hogan seeks the help of local anglers to find freshwater giants around the world.
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Zeb Hogan encounters some of the most gluttonous fish on the planet.
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Zeb Hogan is in Mexico to witness the mysterious migration of the whale shark and to find out why the world's biggest fish swarms in waters off Mexico each year.
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Zeb teams up with shark scientist Dr. Tristan Guttridge, who has been conducting research on the annual migration of great hammerheads for years and has recently made a breakthrough discovery.
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Dr. Zeb Hogan's search for the longfin eel and its cousin, the giant mottled eel, brings him to the South Pacific, New Zealand and the Solomon Islands.
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Nile perch in Lake Victoria and the Nile River in Uganda.
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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.
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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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