Fish

“The fish’s brain, nervous systems and internal workings of the head are visible.” Meet the see-through deep-sea dweller
Down in the twilight zone, this fish’s head is see-through for a reason

This fish lives in complete darkness – and scientists just found out it does something weird...
The two different species of cavefish live on the surface and in complete darkness, offering a rare glimpse into how the brain evolves and adapts to different environments

The 3-metre shark that erupts from the ocean, spinning furiously like a tornado...
These fish-eating predators catch as many prey as possible by spinning while swimming in a burst of speed, sometimes even clearing the water’s surface
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“It was an intense pain. Almost like burning. It took me a moment to understand what exactly was going on. A real ugly fish. Big eyes, big teeth.”
Meet the The fearsomely fanged, five-foot long freshwater shark.

"When they use these spines, they puncture them really deeply into their attacker. They can deliver venom into the wound"

Think you've got thick skin? It's nothing compared to this super-tough animal
Meet the animal with the thickest skin on the planet.

It's grumpy, looks like it's had a VERY bad hair day, and has formidable jaws that can expand to 12 times their normal size – allowing it to swallow enormous prey
This contender for the fastest-eating fish lures prey with a fin disguised as a worm.

They have secret teeth, can grow 3m long and are covered in slime. Moray eels are awesome – and these 13 incredible photos prove it
These moray eel images are absolutely breathtaking.

The 3-metre, 200kg torpedo with bullet-deflecting scales and a fiery reputation that can deliver quite a punch to humans

6 dangerous, deadly fish you'll never see – UNTIL it's too late... "Their danger predominantly lies in their ability to totally disguise themselves on the seabed"
Nature is full of oddballs – including these peculiar-looking fish that have adapted to their environments

"its enormous jaws can expand dramatically, creating a balloon-like head..." 10 weirdest, eeriest eels on the planet, including one that generates a deadly 600 volts
Eels are among the ocean's most mysterious inhabitants, with more than 1,000 species found in habitats ranging from tropical coral reefs to the depths of the deep sea.

Could a 2m river monster with an enormous head, fearsome teeth and a body shaped like an 'elongated pig', have started preying on humans?
The giant killer catfish that feasts on the dead and the living

As long as a Honda Civic, this animal's torpedo-shaped body and powerful tail propel it to a blistering 70 kmh – or even more...
Did you know the fastest shark in the world can reach speeds of 70km per hour? Pretty impressive...

“One of the ocean's fastest and most powerful predators.” Photographer witnesses elegant hunter prowling for prey
Marlin migrate long distances across the open ocean and encounters with humans are rare

“These have never been described in sharks.” Experts aimed to study how sharks communicate danger – so turned to a bizarre, flat fish
The study marks the first documented evidence of a "disturbance cue" being used by cartilaginous fish
"Its dorsal fin is lined with venomous spines that deliver instant, intense pain. Any animal on the receiving end – including us – is likely to recoil in agony..."
A freshwater fish with venom that delivers excruciating pain that ‘runs like fire’
These magnificent, agile ocean creatures can leap, spin and soar through sea and air: The ocean's 7 most impressive and spectacular acrobats
Spinning, leaping and dancing through the water and air – the ocean is home to some of the most agile and athletic creatures on the planet.

“It attacks with a short movement, sucking up the prey with an expansion of its tubular snout.” Meet 8 weirdest, bizarrest animals in Hawai'i
From a squid that projects moonlight to hide from predators to a snake that reproduces by cloning itself, Hawai'i's wildlife is stranger than you'd expect

“My fingers were trembling.” Divers were removing ghost nets in the Mediterranean, when THIS happened…
Experts were removing harmful ‘ghost gear’ from a shipwreck when the ocean’s most iconic predator cruised into view

This bizarre marine creature breathes air, goes four years between meals and cocoons itself in its own mucus
What's the longest a fish can go without eating?

"What had she been doing? Her tank mates were two other females, so who (or indeed where) was the daddy?"
When there is a lack of males, female bonnethead sharks can reproduce by themselves

"Divers have been rammed so hard that the air is knocked out of their lungs." A deadly predator with bone-crushing jaws and a temper to match
The air-breathing fish with a vicious head-butt

"Capable of striking fear into the heart of divers everywhere, it's as dangerous as it is beautiful..." 10 deadliest, most dangerous fish on the planet
Beyond the shark! We bring you a veritable who's who of the scariest fish species lurking in the deep (and not-so-deep) waters.

It's famous for its white sands, surf – and being the shark bite capital of the world...
Why are there so many shark bites in Volusia County, Florida? Here’s everything you need to know
