Marine Animals
It’s the oldest individual living creature in the world, survives at 400m deep underwater and uses its ‘foot’ to move along the seafloor
A slower pace of life is behind the longevity of the world’s oldest ever animal, the ocean quahog
The US Navy detected a strange sound in the ocean. These scientists think it could be coming from the loneliest animal on the planet
Known as the “loneliest whale in the world”, the mystery 52-hertz whale sings at a different frequency from other baleen species – could it be lonely?
How and why do seahorses change colour?
Marine biologist and photographer Matt Doggett answers your wild question.
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“This is no ordinary octopus.” Watch the weird sea creature that can walk on land – wait, what?
This amazing octopus species was only discovered in 2011
Why longer penises make sex safer
When it comes to this species, size is everything as it can affect survival.
It’s 2 miles deep, close to a volcano, the size of 233 soccer fields and home to a whopping 20,000 creatures
The world’s biggest octopus aggregation is made up of thousands of these usually solitary creatures
Measuring up to the length of a bus, these 5 creatures have the longest tentacles in the world
Discover the creatures that have the longest tentacles in the world – with some reaching up to 30 metres
What’s the difference between fringing reefs, atolls and barrier reefs?
Coral reefs may look similar at first glance, but their shapes, locations and structures reveal how they form – and how vulnerable they are.
“I immediately knew it was the largest tiger shark I’ve ever seen in my life. This was like a truck.”
A scientist has a close encounter with a shark – but something extraordinary comes to her rescue
Underwater ‘sirens’ and the loneliest whale in the world: 6 of the weirdest noises heard in the ocean (including an unsolved mystery)
While most of the ominous-sounding noises recorded in the ocean have been resolved, others remain a mystery...
A 136kg body part was just found floating in the ocean in Hawai'i
Whale placentas only float on the surface of the ocean briefly, so collecting them for scientific study is incredibly rare.
"A quick tap then startles their prey into fleeing straight into the open tentacles" – A shadowy hunter that waits silently for the perfect moment to strike
When a tap on the shoulder isn't good news
“I can’t express to you how rare this behaviour is”: 'tail walking' dolphin filmed in California
In this rare behaviour, the dolphins push themselves vertically out of the water and ‘walk’ along using their tail.
Extraordinary underwater photos of the fastest hunter in the ocean
Sailfish can reach speeds of almost 70mph and grow up to 3.4m long – these images of them hunting are utterly breathtaking.
“It’s not over yet.” Filmmakers deployed a robot crab into the sea. How the other crabs reacted was extraordinary
Robots, equipped with cameras and disguised as animals, were deployed in the BBC TV series Spy in the Ocean to capture surprising behaviour
Scientists take DNA from 623 beluga whales in Alaska. What they discover surprises them all
Researchers in Alaska have discovered that beluga whales have lots of different partners and this “mate switching” could be vital for helping populations survive.
Drone captures incredible whale hunting behaviour in Canada. Experts think they've only just learned how to do it
Scientists believe that Alaskan humpback whales are teaching Canadian populations to bubble net feed.
Its back looks like a creepy human face, complete with enormous cartoon eyebrows
Viewed from above, the slipper lobster reveals an unexpected face — armoured, grinning, and faintly unsettling.
"Suddenly I realise what’s going on. There’s no wounded animal here – it’s a mother giving birth."
In the encounter of a lifetime, Kurt meets a sperm whale only seconds after its birth
These students dropped a baited camera into the Atlantic Ocean. "All went quiet…" then this showed up
The students were blown away by the marine life on their field trip in the Azores, a remote archipelago in the North Atlantic Ocean.
Whales need fresh water to survive. Here’s how these ocean giants manage to drink
How do whales take in enough fresh water while in the sea?
Rats have amazingly vivid dreams – and scientists now know what they’re about
Dreams aren't unique to humans – rats, monkeys and even octopuses might be able to dream
'Walking sharks' found off Australian coast. A closer look reveals extraordinary new discovery
The find suggests that epaulette sharks, known for their unusual ability to 'walk' along the seafloor, could be more resilient to environmental threats than we thought.
Spy camera dropped into sea off Washington coast and left there for more than 100 days. This is why
Researchers placed the camera next to a tidal turbine to see how animals interact with the equipment in the water.