Fish
“It’s hard to imagine a more wasteful way to catch fish” David Attenborough narrates never-before-seen footage of destructive bottom trawlers
The widespread fishing practise has been filmed for the first time in such detail as part of a new Attenborough-narrated documentary.
We don’t know how great white sharks have sex, but what we do know about their mating ritual is terrifying
All we know about great white shark sex
It's longer than a bed, covered in slime and has teeth in its throat – meet this giant hunter of the reef
This 30-kilogram predator hunts mostly at night, ambushing prey before swallowing it whole with its specially adapted jaws.
Incredible shark facts: 34 hard-to-believe facts that celebrate this fascinating, yet much-maligned fish
Celebrate the wonder and variety of sharks, an ancient and much-misunderstood fish.
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?
Are there 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?
David Attenborough narrates amazing BBC underwater footage of the fastest fish in the sea using their 'swords' to 'disarm' their prey
Giant predatory sailfish use their swords to 'disarm' their fish prey rather than to dismember them.
The incredible fish that scale 120 metre high waterfall rock faces with an astonishing climbing technique – watch amazing video to see how they do it
Did you know fish can climb? Meet the amazing waterfall-climbing goby
Fish can do maths, walk, fly AND pee: 14 fish facts that leave you scratching your head
Think you know fish? Think again. From farting herrons to maths geniuses, these underwater wonders continue to surprise us
Dragon of the abyss: this rarely seen deep-sea creature is like a shadow with fangs
Dragonfish are often very dark in colour, making them almost invisible to prey in the deep ocean.
When researchers sunk baited cameras into Timor-Leste’s deep ocean for the first time, they made a stunning discovery
The cameras recorded the first-ever live footage of one of the rarest deep-sea animals in the world.
This beautiful, flamboyant predator has a deadly, venomous streak...
These beautiful predators are immediately recognisable and cause chaos in many coral reefs around the world
This bizarre fish has no red blood — just antifreeze. Could it help scientists save lives?
How nature's ingenious solutions to extreme environments offers valuable insights for human organ preservation
Peculiar sea creature that looks like a spotty golf ball filmed near Vancouver Island after season-long search
These strange red animals are hard to find because they hide in rocks and kelp – but that didn't stop this underwater videographer from trying.
When marine biologists peered into this shark egg, they were utterly astonished by what they saw
The researchers documented the first confirmed case of identical twins in small spotted catsharks.
Are there any great white sharks in the Mediterranean?
There are great whites in the Med, but they shouldn't cause alarm...
Ocean photographer films "beyond mesmerising" natural spectacle in underwater cave
A photographer has shared dazzling footage from his daily visits to see thousands of fish swim together “in perfect synchronicity”.
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.
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.
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
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
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...
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.
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...