Fish

Scientists film dramatic videos of ambush predators hiding behind sharks to hunt

The extraordinary hunting behaviour was recorded around a small, rocky island in the Mediterranean Sea.
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Why scientists just bred these baby red fish with 'hands' in Tasmania

Researchers hope these adorable babies can bring this rare species back from the edge of extinction.
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Weirdest fish: 16 of the strangest fish in the world, including one that can incredibly live out of water for more than two months

Our seas are brimming with strange and wonderful creatures. Meet 13 of the weirdest fish in the world, which sport everything from super-long noses to golfball heads
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It's one of the most beautiful animals in the ocean – indigo blue, sleek, 4-metres long – and has weird freckles to help it hunt prey

Learn all about the beautiful blue shark
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Bigmouth buffalo: the perplexing existence of Minnesota's 'age-defying' fish just got even stranger

It can live for more than a century and its cells show little sign of aging with the passing of time. Now a new study has discovered something else unusual about this curious fish...
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There's a peculiar fish in the Venezuelan mountains that climbs boulders with its mouth – and biologists are obsessed with it

Researchers believe the animal – which lives in the mountains east of the Orinoco River – is the missing link between two strange fish families.
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Fish Doorbell: the underwater livestream saving fish in the Netherlands

What is the Fish Doorbell and how is it helping local wildlife? Dive in for the full story...
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It barks like a dog, has razor-sharp teeth and is a horror movie favourite – but is this scary-looking fish just misunderstood?

It's been made famous in horror films for its ferocious nature, but is this creature really that deadly? We find out once and for all.
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Expedition team has "unforgettable encounter" with one of New Zealand's most remarkable creatures

Researchers have captured footage of nearly 30 New Zealand longfin eel ahead of their 1,000-mile migration to Tonga. After their epic journey, the eels lay their eggs and die – but how do the young get back home?
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These divers spent 12 days carrying bags of shrimp and staring at fish in the Mediterranean Sea – here's why

The researchers wanted to find out if wild fish can recognise individual human beings – so, can they?
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Electric organs, venomous spines and eyes that migrate – meet the world's most peculiar fish

These ambush predators can also create a vacuum that sucks prey right into their mouths.
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This may be the most astonishing ambush attack you'll ever see

The zebra shark didn't see this coming...
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This new species has been named after a character from Studio Ghibli – here's why

Chinese researchers have discovered a new fish species, naming it after a Studio Ghibli character because of its face paint-style markings
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How an electric eel works and the maximum shock it delivers... (you wouldn't want to be be hit by its deadly high-voltage charge)

Did you know electric eels can produce a hefty shock of 600 volts if needed? Matt Doggett take a look at how and why electric eels produce electricity
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A great predator is slipping through a hidden passage into the rivers and lakes of Alaska

The long, slender hunter has razor-sharp teeth and poses a threat to native wildlife, say researchers.
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Diver films close up of a shark's extraordinarily powerful secret weapon - and it's not its jaw - when hunting prey

Thresher sharks have an unusual way of hunting prey – which means their elongated tails aren’t just for show 
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Why are pufferfish so deadly poisonous - able to kill a human - and how on earth do they avoid poisoning themselves?

Helen Scales takes a look at the highly poisonous pufferfish
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How and why do male seahorses get pregnant?

Matt Doggett explains why it's the male seahorse that become pregnant, rather than the female
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When scientists went into an underground river in the Philippines, they found a ghostly creature living in the shadows

They named the newly described animal after Hades – Greek god of the dead and king of the underworld.
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Shocking, drastic decline in Mediterranean shark numbers despite protection

Shark numbers falling despite conservation efforts across Med, researchers say
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Whale shark mating strategy involves aggressively stalking and biting the female, rare footage reveals - but does she respond?

Rare footage has captured an adult whale shark following and biting a female, revealingthe elusive mating rituals of the biggest fish in the ocean
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With razor-sharp and a 36mph top speed, this is one intimidating, fearsome ocean predator - that has been known to attack humans

All you ever needed to know about the barracuda 
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Why evolution experts are so consumed by this deep-sea fish

The animal lives in almost perpetual darkness, up for 4km beneath the surface of the sea.
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