New species 2025

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

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

AFTER LIVING WITH the corydoras sand bank aquarium for 4 months, I finally made up my mind. I did want to keep some form of characin in this tank to help the small catfishes feel safe. The presence of

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

WITHIN THE AQUARIUM hobby, all sorts of bottom-dwelling, cyprinid-adjacent fishes are referred to by the name 'loaches'. So, we have the hillstream loaches of the family Gastromyzontidae, of which the

I THINK IT’S interesting how in our hobby, appreciation ebbs and flows, surges and quiets and goes through cycles. I am referring to how we view species of plants and fishes and how this changes over