Fish
Sharks in rivers? Oh yes… Meet the rare predators lurking beneath the surface
They’re exceptionally rare, have teeny eyes and can survive in freshwater. Meet the river sharks
"It binds to a victim’s nerve cells, blocking signals and causing paralysis and death by suffocation." 6 most venomous, dangerous fish on the planet
These fish are best avoided...
Terrifying close-up footage shows deadly great white shark stalks a lone, vulnerable spear fisherman deep in the ocean
Incredible footage shows the moment a lone spearfisher encounters a great white off Sydney, Australia.
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Rarely seen deep-sea creature with see-through head filmed in depths of Pacific Ocean
The barreleye fish lives in the deep sea and has a see-through head
It's 7 metres long, can weigh almost a tonne and can live for 400 years or more – meaning some around today were born in 1626...
The mystery of the lifespan of Greenland sharks has finally been unveiled thanks to new research.
Ancient animal found in "unprecedented" numbers in Georgian river
Local 'sturgeon inspectors' aid recovery of critically endangered fish in Georgia's Rioni River.
Australia could be a ‘lifeboat’ for this 20ft-long, ‘saw’-bearing endangered creature, say experts
Research on green sawfish has identified where conservation efforts for the animal should be focused – as well as the challenges to come
It's longer than a bed, weighs the same as a mattress, is covered in slime, has teeth in its throat and a bone crunching bite…
This 30-kilogram predator hunts mostly at night, ambushing prey before swallowing it whole with its specially adapted jaws.
When scientists went into a flooded cave in Jamaica, they found a large-mouthed creature hiding in the darkness
It’s the first time the strange-looking fish has been photographed in the cave.
Just how deadly are sharks to humans?
People often worry about the risk of shark bites but how dangerous are these predators to humans in reality?
It’s nearly 3 football pitches long and could carry 80 planes – now this vast shipwreck is visited by the world’s largest shark
The wreck is known as the Great Carrier Reef in honour of the world’s largest coral reef system
Are there any great white sharks in UK waters?
British seas have temperate waters and lots of seals – perfect conditions for great white sharks. But is the iconic species found here?
What on Earth are tautonyms, triple tautonyms – and binomial nomenclature?
A tautonym is an interesting quirk in the naming system of animals, where the words used for the genus and specific names are identical. Learn more about tautonyms, triple tautonyms, binomial nomenclature, and examples of tautonyms.
Scientists found weird animals in the Taiwanese deep-sea – and discovered three new species were hiding among them
The three new species of conger eel raise the number of known Gnathophis species from Taiwan to five.
Just like in the movie Jaws, this great white shark got stuck in a small pond. Here’s what happened next...
When a great white shark got trapped in a shallow saltwater pond in Massachusets, Greg Skomal was called to help. Here’s how the experts tried to free her
Longer than two school buses put together – and ruler of the oceans for 20 million years: 7 biggest prehistoric sharks ever to terrorise Earth's oceans
You might think today’s sharks are big, but during prehistory there were species that grew more than twice as large…
"He is now in full battle dress – a livery to match his mood – and aggressively defends his little patch"
Did you know bullhead fish can sing? Yes really if love's around ... Nick Baker takes an in-depth look at this fascinating fish
Do fish actually drink water?
Do fish drink? or do they absorb water? Stuart Blackman takes a look
Is there really no such thing as fish?
It's a saying you might be familiar with, particularly if you listen to the popular podcast by the QI Elves, but how true is it? Is there really no such thing as a fish?
Can fish actually drown?
Can fish drown? What about other species that spend their lives underwater? We explain the science of breathing underwater and what can go wrong
"It seems to be a lively business…" Just how do sharks mate?
Just how do sharks mate? Stuart Blackman explains
It doesn't have any feet yet it can climb up a 120 metre high waterfall rock face – watch amazing video to see how they do it
Did you know fish can climb? Meet the amazing waterfall-climbing goby
We all know fish can swim but can they actually walk?
Some fish can 'walk' across the seabed says Laurie Jackson. Here's some of them...
"Its front teeth are sharp enough to bite through wood and bone – and bites to swimmers can result in painful wounds and even severed fingers and toes"
The silver-cheeked toadfish is making its mark in the Mediterranean, but not in a good way
