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

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

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

WITH THE INCREASED use of dry rock over live rock, you might hope that marine pests have become a thing of the past. Unfortunately, these little critters – that can cause havoc in a reef tank – still

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

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