Very few animals are known to recognise themselves in the mirror, but scientists believe a small tropical fish may possess a more sophisticated type of self-awareness only ever seen in humans.

A small tropical fish may possess a sophisticated type of self-awareness only ever seen in humans, scientists have said. Researchers have discovered that the bluestreak cleaner wrasse – which ...

With sumptuous, fleshy lips and a bulbous, protruding forehead, the humphead wrasse is an unforgettable fish. This enormous, colorful coral-reef dweller is slow to reproduce, making it vulnerable to ...

In the latest experiment, the wrasse were trained with a mirror and then shown their own photos. Their throats in the images had brown parasite-like stains. It was impossible for the fish to check ...

is a species of wrasse with an astounding jaw. Its mouth can extend over half the length of the fish's body. The fish can protrude its jaws longer than any other on the planet. Peter Wainwright of ...

DESCRIPTION: Humphead wrasse are enormous reef fish, having been measured as long as seven feet and weighing up to 420 pounds. The wrasse has thick, full lips and a forehead hump that becomes more ...