Bright, bizarre and occasionally bottom-dwelling, nudibranchs are some of the ocean’s most eye-catching oddballs. But how much do you really know about these flamboyant sea slugs?

The ocean is full of weird and wonderful creatures. From glow-in-the-dark sharks to slugs that act like plants — how much do you know about the sea’s strangest wildlife?

A natural light shot of Hilma Hooker’s bow. I positioned myself facing the reef while keeping the open ocean behind me, capturing my dive buddy exploring the wreck’s hull and forecastle (Photo: Bella ...

A 14-year-old boy has had to have his hand amputated after a scuba tank exploded at Ploče Beach in Budva, Montenegro. The boy, who was hit in the wrist by flying shrapnel from the tank, has been ...

Welcome to the Weird Underwater Wildlife Quiz! Test your dive knowledge with these strange-but-true (and a few sneaky false) facts from beneath the waves. True or False – let’s dive in!

Swimmers encountering a wild bottlenose dolphin in waters off the south coast of England, believing it to be ‘friendly’, have been warned to keep away from the animal if approached. ‘Reggie the ...

Neon gobies on the coral beneath the cement plant pier make ideal subjects for macro and super macro shots (Photo: Catherine Holmes) The jetty of a working cement plant on the west coast of Barbados ...

From mucus cocoons to glowing lures, can you guess the creature from the clues in this marine wildlife ‘What am I?’ quiz?

Think you know your coral reefs? These underwater worlds are bursting with life, mystery, and some surprising science. Take this quick True or False quiz to test your reef knowledge — and discover ...

An aerial view of a coastline near Rainbow Reef and Nakobo Village in the Cakaudrove Province (Photo: Andy Estep/Waitt Institute) National Geographic Pristine Seas has launched an expedition to study ...

A great white shark (Carcharodon carcharias) has put in a rare appearance around Nusa Penida, a large island located off the southeast coast of Bali, Indonesia. The large and heavily scarred shark was ...

A 26-year-old British woman from Lambeth, London, is still missing as a result of a fire on board a dive boat in Koh Tao, Thailand. Alexandra May Clarke was reportedly inside the boat’s toilet when ...