Monster Fish

Zeb Hogan is in Mexico to witness a mysterious migration of the world�s biggest fish. But can he uncover why Whale sharks swarm here each year?

Zeb teams up with renowned shark scientist, Dr. Tristan Guttridge, who has been conducting research on the annual migration of Great Hammerheads for years.

The Salween River Basin has an extreme diversity of animals, and is home to some 50 fish species found nowhere else on Earth. Hogan found more than five species of fish that grow more than 100 pounds, like this catfish, while filming for his Nat Geo WILD Monster Fish show.

Zeb Hogan goes continent-hopping in search of rare and exotic fish species.

Zeb tracks down some of the world's most bizarre freshwater beasts, whose weird and wacky adaptations help them survive. From a land-walking fish that can breathe air, to one with teeth like a tiger, prepare to get weird.

Zeb Hogan counts down his top ten biggest, toughest and most astonishing monster fish catches of all time.

Zeb goes Down Under to find the deadliest Aussie assassin. From sawfish to river sharks, Australia is no place for the weak. Who will come out on top?

Zeb Hogan returns to Thailand to find the biggest monster fish on Earth.

Zeb Hogan navigates America to find the fish beasts of the red, white and blue.

Zeb is in a town called Albi in southern France to see a giant Wels catfish for himself.

Join Zeb Hogan as he 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.

Join Zeb as he explores Florida�s deep-water reefs and wrecks on a quest to catch a gargantuan 7-foot goliath grouper, the largest of the western Atlantic groupers, and uncover the surprising truth about its monstrous reputation.

Fish biologist Zeb Hogan is searching 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. Zeb is heading into the heart of Guyana, South America, to catch a river vampire and find out more about some of the biggest fangs on Earth.

Fish biologist Zeb Hogan travels to Australia to try and track down two of the country's river shark species - one the biggest and one the rarest.

Deep in the rainforest of Nicaragua, Zeb Hogan is on a mission to track down a powerful predator that can grow up to eight feet long and nearly 300 pounds.

Zeb Hogan, a National Geographic explorer and aquatic biologist, goes in search of monster snakehead in Thailand, their natural habitat, and Florida, where they have become aggressive invaders.

Dr. Zeb Hogan travels to the Brazilian Amazon to determine whether the shock of an electric eel is proportionate to the fish's size.

Zeb is heading into the heart of Guyana in search of fish with a terrifying reputation,he wolf fish, a species said to be a brutal hunter of animals and reportedly even humans.

There are reports of river rays in Thailand and Australia growing up to 16 ft. and 1,300 lbs., prompting fish biologist Zeb Hogan to brave their 15-inch poisonous barbs and sharks.

Are bull sharks stalking America's suburban waters? Nicknamed the ?linebackers of the sea? for their wide, stalky bodies, bull sharks are rumored to be moving inland, even surviving in freshwater 2,000 miles upriver. To separate fact from fiction, Zeb Hogan is teaming up with some of Florida's leading shark experts on a quest to catch a ?river shark? and to determine the truth behind their deadly reputation

It's a voracious predatory catfish that prowls the rivers of Southeast Asia. Growing up to 6 feet long and weighing more than 175 pounds, the wallago catfish is a pure carnivore, equipped with formidable jaws and a double band of saw-like teeth that are designed to attack. Seeking help from local fishermen, Zeb Hogan travels to the jungles of Malaysia, where wallago are rumored to swallow monkeys, porcupines and even monitor lizards.

Zeb Hogan is on the hunt for a goldfish the size of a cow! Giant carp can grow up to weigh 600 pounds and measure 10 feet long, but the trouble with finding these monster fish is ? they only live in three of Southeast Asia's rivers. To find out more about this elusive fish, Zeb heads to Thailand, where he helps the Thai Department of Fisheries' transport 30 giant carp into a new breeding pond on the Chao Phraya River.

The Pacific Northwest is known for things that are BIG ? giant redwoods, sweeping coastlines and massive runs of salmon. But Zeb Hogan is looking for a goliath that's so elusive, he'll scour every nook and cranny of the rivers here to find it. He's after the green sturgeon ? a monster fish that can grow up to 7 feet long, live up to 70 years, and has been on Earth since the days of the dinosaurs.

Armies of salmon surge through Alaska's icy waters during mating season, but only one ?catches? the eye of Zeb Hogan ? the elusive king salmon. Local legends tell stories of king salmon so wide you could walk across their backs. But to find out if stories like this one are true, and if a ?Salmonzilla? is really out there, Zeb will have to brave rugged wilderness, hungry bears and a local watering hole where the signature cocktail is salmon-flavored vodka!

Lured by stories of catfish the size of Volkswagens, Zeb Hogan is on a mission to find out if the legendary giant catfish of the South really exist. Finding huge fish is all about taking advantage of local knowledge, so he teams up with Rusty, a lifelong catfisherman with a thick Mississippi drawl and unique southern charm. Using a massive 7-foot-tall, 40-foot-long net, they'll troll the waters for a record-breaking fish.

Dr. Zeb Hogan travels to one of the world's largest waterfalls in Laos, where each year millions of fish climb the falls to spawn. But little is known about their exact migratory route, and plans to dam the channel could place the lives of the fish, and the millions of people who depend on them for their livelihoods, at risk. Zeb and a team of world-class kayakers navigate the waterways with specially equipped kayaks, designed to take measurements of the rivers below them.

One of the oldest and most bizarre-looking freshwater fish on the planet can be found in the American Midwest. That's where Dr. Zeb Hogan travels to find the paddlefish. It once teemed throughout the Mississippi and Missouri River systems, but its population has plummeted disappearing from four states and rapidly decreasing in others. Zeb teams up with biologists and conservation officers to better understand what's causing the decline of this American behemoth.

A mammoth catfish that has allegedly stalked, attacked and killed people can be found in the Indian Himalayas. Dr. Zeb Hogan investigates reports of the goonch. With the help of a local guide, Zeb sets out to examine the scenes and speak with eyewitnesses who recount the attacks: One recalls a young man who was fatally pulled under water while bathing; another describes a goonch dragging a 1,000-pound buffalo into the river.

Kamchatka, Russia, is one of the wildest and most remote locations on earth and is home to the largest salmon population on the planet but why? Zeb travels to the Far East to explore this salmon paradise. Determined to catch as many salmon species as he can, Zeb joins a team of kayakers and locals to explore some of the area's more than 14,000 rivers.

The Murray cod can grow up to 6 feet long and weigh more than 250 pounds, and is rumored to eat everything from birds to snakes to possums even its own kind. But humans have been encroaching on the cod's river system, and now these enormous fish are rarely seen in the wild. Zeb travels to Australia in the hopes of experiencing this behemoth's size and power for himself.

The giant eel is a massive, flesh-eating, wall-climbing, air-absorbing, snakelike fish that can attack like a crocodile and live upwards of 100 years. So, of course, Zeb goes in search of two of the largest species. First, in New Zealand, Zeb hunts for the New Zealand longfin eel and goes fishing with the locals, who use a traditional technique to lure the legendary monster. Then, in the Solomon Islands, he'll look for the elusive giant mottled eel.

Each year in the Australian outback, the dry season leaves five top predators- giant stingrays, sawfish, bull sharks, and freshwater and saltwater crocodiles- stranded in waterholes with limited food supplies. Zeb sets out to find out how each of the giants has adapted to the environment and which one is the ultimate king of the pool. With the help of local experts, Zeb gets up close with a bull shark�s sharp teeth, wades through knee-deep water in the dark of night searching for a stingray.

Dr. Zeb Hogan travels to Lake Victoria and the Nile River in Uganda and comes face to face with one of the continent's largest species of freshwater fish, the Nile Perch.

Dr. Zeb Hogan travels to Spain in search of the invasive wels catfish - a monster fish with a voracious appetite capable of destroying the local ecosystem.

Dr. Zeb Hogan explores the remote Rio Roosevelt in Brazil's Amazon basin in search of monster catfish and new aquatic species in the adventure of a lifetime.

Dr. Zeb Hogan tours the rivers of Thailand looking for 600-lb Siamese carp, giant Mekong catfish and the freshwater stingray.

Dr. Zeb Hogan searches the swamps and bayous of the southern United States in search of the rapidly disappearing alligator gar - a monster fish that's known for its armored scales and a mouthful of razor-sharp teeth.

Flying fish from Asia are invading America's waterways and turning innocent boating trips into boxing matches as fish "knock out" anglers. National Geographic Explorer Zeb Hogan heads to the Illinois River, one of the areas where their population is thickest, to see what can be done to stop them ... and the answer could be as simple as your dinner plate.

Dr. Zeb Hogan goes in search of North America's prehistoric river monsters: the white sturgeon.

As part of his Megafishes Project, Zeb Hogan heads to the Australian outback on an expedition to find the elusive sawfish, which looks like a cross between a shark, a stingray and a chainsaw and can grow to 22 feet long.

Join fish biologist, conservationist and National Geographic Explorer Zeb Hogan to see the most extreme encounters in mega-fishing and the groundbreaking research being done to protect these fish.

Aquatic ecologist Zeb Hogan continues his quest to find and protect the world's largest freshwater fish in the frigid rivers of Mongolia. He will travel by plane, truck, and horseback to find the largest trout known as the Hucho taimen.

Join Dr. Zeb Hogan, National Geographic Explorer, as he finds a world record breaker: one of the largest and deadliest freshwater fish, the giant freshwater stingray.

Virtually unknown to science, Zeb focuses on finding two specific species: the Mekong giant catfish and the deadly freshwater stingray.

Traveling to South America, biologist Zeb Hogan goes in search of piraba and pirarucu, two of the largest freshwater fish in the Amazon