Chefs and fishers say they need to adapt as increasing numbers of once rare species of fish are being attracted to warming ...

Another expert reader explores this thorny topic, including reference to the behaviour of their own archerfish ...

Setting up an aquarium requires more than just buying a tank and filling it with water. You must also determine tank size, water temperature, and, of course, the fish that will call the tank home. To ...

Leaving aside the issue of exactly how much of their body they can see (some fish, like eels, can probably see quite a bit of it), the question of how fish recognise their own species is an important ...