Are you thinking of keeping fish as pets but don’t know where to start? Take a look at two of the most popular choices for beginners - Guppy fish and Swordtail fish. Here are the reasons why these ...

Guppies are a small, pretty species of fish that are extremely popular for home aquariums. While they’re fun in captivity, in the wild they can cause major trouble. Native to South America, guppies ...

Their brightly-coloured skin and beautiful fins have made them a favourite pet. But woe betide anyone who releases their guppy fish into the wild for these tropical creatures can upset the other ...

It's the first rule of the nightclub - and it appears fish adopt it too. When it comes to reeling in a mate, scientists say fish surround themselves with ugly friends - because they look so good by ...