A clever tropical fish has flipped how biologists are thinking about memory, brains and visual recognition in the animal ...

Ciguatera—a toxin that accumulates in reef fish—is a common cause of seafood poisoning. Learn which fish are safest to order ...

These fish will all add a dazzling splash of colour to your aquarium. From garden ponds filled with Koi Carp to the humble goldfish bowl – the UK is a nation of fish lovers. The Pet Food Manufacturers ...