Deep sea divers and snorkelling enthusiasts ... dorsal fins and upper parts of the body, with the younger fish often being the most colourful (like most other types of fish).

For years, scientists felt like the fish they were watching watched them back. A new study suggests they can recognize a ...

Guppies are like confetti with fins—tiny, cheerful, and colorful in all the right ways. They're often the first fish people fall for, thanks to their adaptability and endless color combinations.

A collection of colorful fish that are crimson, turquoise and cream colored have now been identified as two new species in ...

Two new species of fish were discovered in tributaries of the Black Warrior River System in Alabama, according to a study. Photo from Bernie Kuhajda A collection of colorful fish that are crimson ...