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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

aired 17 days ago
An elusive giant green sturgeon may lurk in the Pacific Northwest.
VOD available
Zeb Hogan searches for super-sized catfish in the last great, undammed river of Asia, the Salween.
aired 17 days ago
Dr. Zeb Hogan explores the Rio Roosevelt in Brazil's Amazon basin in search of monster catfish and new aquatic species.
aired 17 days ago
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 17 days ago
Dr. Hogan travels to Spain in search of the invasive wels catfish.
aired 17 days ago
Zeb looks for a cow-sized goldfish in Thailand and Cambodia.
aired 17 days ago
Zeb Hogan seeks to catch the elusive king salmon as armies of salmon surge through Alaska's icy waters during mating season.
aired 17 days ago
Zeb Hogan is on a quest to catch a "river shark" to determine the truth behind their deadly reputation.
aired 17 days ago
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.
aired 17 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.
aired 17 days ago
Searching for monster snakehead in their natural habitat of Thailand, and Florida, where they are aggressive invaders.
aired 17 days ago
Fish biologist Zeb Hogan travels to Australia to try and track down two of the country's dangerous river shark species.
aired 27 days ago
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.
aired 27 days ago
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.
aired 27 days ago
Fishermen tell of giant catfish; separating fact from fiction.
aired 32 days ago
Dr. Zeb Hogan searches the Brazilian Amazon to see if the shock of an electric eel is proportionate to the fish's size.
aired 32 days ago
The U.S. is home to a declining population of paddlefish, one of the largest and oldest freshwater fish on the planet.
aired 32 days ago
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.
aired 32 days ago
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 32 days ago
Nile perch in Lake Victoria and the Nile River in Uganda.
aired 32 days ago
Zeb Hogan travels to the jungles of Malaysia, where wallago are rumored to swallow monkeys, porcupines and even monitor lizards.

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