Marine Animals
It's weird looking, white, the length of a shipping container – and remarkably can swim backwards...
Learn all about their unique adaptations and social behaviours in this expert guide from Whale and Dolpin Conservation.
Blue, green and even gold – this shark uses crystals to change colour, new study finds
The secret to blue sharks' iconic hue is hidden in their scales – and they might even be able to change colour, say scientists.
Mysterious deep-sea sharks are gathering between Denmark, Sweden and Norway – and we know why
A passage of water in the North Sea known as the Skagerrak is a hotspot for young Greenland sharks, according to a new study. But what are the elusive animals doing there?
“Huge numbers” of sharks seen circling remote island deep in Pacific Ocean – here's why there are so many
The incredible footage was captured in an enormous marine protected area, which allows sharks to thrive and keep the ocean healthy.
“This was a high-speed, high-stakes pursuit… the pace was relentless!" Divers spot rare manta ray chase at remote atoll
During courtship, manta rays perform elaborate mating trains where males chase the female in an intricate dance.
Powerful and majestic: the best shark photos of 2025 revealed
See sharks, rays and skates in dazzling detail as the winners of the Shark Photographer of the Year 2025 competition are announced.
Rare deep-sea footage shows elusive animal swimming over the seafloor in Chile
The extraordinary footage captures the creature carry something – something it won't let go of for months...
Built for a life above the waves, this legendary long-distance glider has the world's biggest wingspan and can soar for thousands of kilometres without stopping
Spending most of their lives at sea and covering vast distances, little was known about these elusive seabirds until relatively recently. Find out more about albatrosses in this expert guide from the RSPB, including the threats they face, and their outlook for the future.
It's 3 metres long, related to elephants and thought to have inspired the mermaid legend
Dugongs are ocean herbivores that have inspired ancient legends. Here we take a look at the fascinating species
It's the size of a double-decker bus and weighs a mighty 7 tonnes. Meet the ocean giant that cruises - through the oceans
Basking sharks are the second largest shark species in the world. They feed on microscopic animals called zooplankton.
It weighs the same as 2 grizzly bears, can be aged like a tree – meet the ocean giant that hurtles through the ocean at 44 miles per hour
Bluefin tuna are impressive fish – the largest on record was a 679 kg bluefin caught off the coast of Canada in 1979. But did you know these big beasts start off at just the size of an eyelash?
Barely the size of a grape, it's able to take on the deadly Portuguese man o’war — and can deliver a painful sting to humans, causing nausea and vomiting
These tiny sea slugs float helplessly at the surface of the water – but when they find prey, they steal its venom and use it for themselves
Scientists sink cow 1,629m into South China Sea, then gigantic animal appears out of the gloom
The enormous deep-sea creature, which can grow up to seven metres in length, has never been filmed in this part of the world before.
10 prettiest sea animals in the world: Meet some of the most beautiful - and sparkliest - creatures in the ocean
Discover the most stunning and captivating sea creatures...
Drone captures Greenland ice tearing open to reveal humungous animal beneath
The colossal marine creature can be seen breaking through the ice to take several breaths of air before returning to the deep.
Wild killer whales filmed offering food to humans – here's what scientists think it means
Researchers found 34 instances of killer whales approaching humans with a range of food items, including dead fish and birds, stunned stingrays and incapacitated sharks.
"Raw and brutal": whale watchers look on astonished as orcas kill humpback whale in South Africa
Wildlife watchers saw the circle of life at its most brutal during South Africa’s sardine run when a pod of orcas killed a young humpback whale and ate its tongue.
"Feels like magic": the mind-bending videos helping scientists understand why corals bleach
The development of a new microscope is allowing experts to see what’s going on inside corals like never before – and it might help them understand bleaching.
Is this the world's weirdest ocean animal? Known as unicorns of the sea they're the size of shipping containers and have a tooth two-thirds the size of their body
Discover how narwhals got their name, what is unique about their tusks, where they live and more in our expert guide
At a staggering 33 metres long it's not only the biggest animal in the world today, it is the biggest animal to have ever lived...
Our guide to the world's largest ever creature, the blue whale
When this tiger shark bumped into a ray, something truly shocking happened
Scientists have observed electric rays delivering a shock to sharks to protect themselves.
Beaked whales are one of the strangest, rarest and deepest-diving marine mammals in the ocean - sometimes diving more than 2.5km down
It's bigger than a king-size bed and is as flat as pancake: Meet the deadly ambush predator lying in wait on the ocean floor
Our guide to the strange looking angelshark, once common in British waters.
The "absolutely adorable” reason this octopus is hiding behind a twig
The curious octopus – filmed in Florida – appears to be playing hide-and-seek with a diver.