As the worm turns

Of all the strange and wonderful animals that live in the deep sea, perhaps the most tantalising are the ones that are occasionally glimpsed by deep-submerged cameras, then swim off into the darkness

In August 2025, the scientific journal Marine Biodiversity contained a shark-themed paper that was colourful in every sense. The shark documented in it was a 6.6-ft- (2m) long nurse shark Ginglymostom

Squinting, it looks like a piece of popcorn. It’s hard to imagine this tiny orb could be a lifeline for coral reefs around the world. “That will have maybe eight or 12 eggs,” says Dr Jamie Craggs as I

The latest book releases for curious minds

THE CARIBBEAN HAS long been regarded as a diver’s paradise, and for good reason. A sprawling patchwork of islands, spread over a million square miles, they encompass almost every type of underwater ha

Dave Lewis recalls a trip to explore the National Museum of Wales’ collection of rare and unusual fish, and asks why these sorts of catches seem to be becoming more common