Marine Animals
It has gaping cavernous mouths crammed with sharp teeth and one of the wildest mating strategies in the animal kingdom
These deep-sea fish are known for their iconic lure which tempts prey close to their ferocious mouths so they can trap them in a cage of terrifying teeth
“Males bite the female’s aorta to deliver TTX. This sudden paralysis renders her immobile, enabling the male to mate successfully without being eaten.”
For blue-lined octopus, mating is a dangerous game. That’s why males inject females with venom before sex, according to a new study.
It contains some of the world’s deadliest animals, from snakes to crocodiles – so why does Australia have so much dangerous wildlife?
Is the wildlife really more deadly 'down under'? Helen Pilcher takes a look at why Australia has so many dangerous animals
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Crocodile in submerged forest among 12 astonishing images from Ocean Photographer of the Year 2026
From the seabed to the surface, these extraordinary images are a glimpse into the fascinating world of our oceans.
Can any animal kill a blue whale? At 33 metres long and heavier than a Boeing 737, it is the largest creature ever to have lived but is it vulnerable?
It would be a brave animal that took on the world's biggest creature
This deep-sea animal was discovered in 1882. Still to this day it's almost never seen alive
The shape-shifting gulper eel is one of the ocean's strangest and most fascinating creatures.
“I cried with happiness.” Wildlife rescuers release young fur seal back into the wild in Tonga
People from several organisations came together to help the juvenile return to the ocean.
This predator uses its 24 eyes to help with transferring sperm packets during courtship. It could be lurking in the shallows near you
Most jellyfish don't need proper eyes. Here's why box jellyfish do
It's home to 900 fish species and one of the rarest animals on Earth – and was dubbed the 'aquarium of the world' by Jacques Cousteau
The Sea of Cortez in the Pacific Ocean is thought to be one of the most ecologically diverse seas
on the planet
“We did not want to see this.” Researchers stunned as predator hiding in plain sight suddenly strikes
All was placid on the ocean floor, when this predator struck in a flash.
“Oh my goodness. I was holding my breath.” Speeding boat nearly collides with humpback whales in Australia
Speeding boats can harm marine animals and cause safety issues for those onboard.
“That’s amazing!” Marine biologists film rare ‘headless chicken monster’ deep in the Pacific Ocean
In a clip from the deep-sea documentary How Deep Is Your Love, scientists discover an elusive sea cucumber
This deadly creature nicknamed the ‘Death Star’ grows up to 50 ‘bear trap’ arms to snare its prey
The multi-armed Antarctic sun starfish is an opportunistic predator that dominates one of the harshest climates on the planet.
"When threatened it slips into a crevice and inflates its body like a rubber raft. Within seconds, it's twice its original size and wedged in place."
How and why the swell shark can inflate itself to twice its size
Can any animal kill an orca, the ocean’s undisputed apex predator?
No other predator is able to challenge the orca, says Melissa Hobson
Giant crab seen marching along seafloor. What happened next shocked these scientists
Marine researchers watched open-mouthed as a lithodid crab pulled a brittle star limb from limb and devoured its body.
“My mind was completely blown.” This diver was filming fish in Borneo, when suddenly the shoal parted to reveal a breathtaking sight
Sipadan Island in Borneo is famous for its healthy reefs and bustling marine life – as this incredible footage shows.
Deep-sea 'ghost shark' spotted feeding in the shallows off the coast of Vancouver Island
These deep-ocean fish usually spend their time around 1,000 metres below the surface, but sometimes they rise to the shallows where humans might be lucky enough to spot them.
It has human-like, sharp chisel teeth and a powerful bite. Divers are advised to swim away, as making for the surface only encourages an attack…
Here's everything you need to know about the titan triggerfish
“I screamed before the rest of it came into the screen.” Deep-sea scientists film rare creature deep in Pacific Ocean
The elusive animal was filmed swimming near an underwater mountain off the coast of California
In 1941, a massive WWII ship sank off the coast of Albania. Divers just went down there – and found a rare mammal living among the wreck
This 135m-long wartime shipwreck has become an artificial reef, home to groupers, wrasse, lionfish and critically endangered Mediterranean monk seals.
See the chilling moment this vampire squid turns itself inside out
As if this body inversion manoeuvre wasn't surreal enough, the ‘vampire squid from hell’ also exudes a cloak of bioluminescent mucous from its crimson body to help deter predators.
"Even amongst their fellow apex predators, they are still top of the food chain…" 7 animals so formidable they have virtually no predators
While most animals that have no predators are what we call ‘apex predators’, meaning they are right at the top of the food chain, this is not always the case.
Divers hid a camera in a lobster den. What happened next shocked them all
Scientists in Australia were surprised to see Port Jackson and crested horn sharks appear out of the darkness.
