Lab experiments led by a team at Osaka Metropolitan University in Japan revealed the cleaner wrasse will check its body size ...

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 ...

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 ...

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 ...

“The findings might fundamentally overturn the common belief that fish lack minds.” For the experiment, the team used bluestreak cleaner wrasse, a species measuring more than 10 centimeters ...

Things like this happen all the time." Following a visit to the site of the incident, Mr Moyes believes the dead fish in the water to be wrasse. Wrasse fish are used to keep farmed species such as ...

In fact, sex change is a very common reproductive strategy in many fish. Some, like the wrasse tend to change from female to male whereas others, such as clownfish tend to change from male to ...

A more precautionary approach needs to be taken to manage stocks of a fish described as a “keystone species” in Scotland, an expert has said.