Wrasse are among the largest fish families, including many that go ... For smaller wrasse, or larger prey, a convenient rock expands the range. Nevertheless, there is a price to pay for this ...

Spotty wrasse fish quickly change behavior and begin sex transition when their dominant group member is removed.

Cleaner wrasses—named for their practice of grooming (and eating) parasites off other fish—are ... upside down or scratch its throat against a rock or in the sand. “It was clear this ...

But now, incredibly, new research suggests that the cleaner wrasse—a tiny, tropical reef fish—can recognize itself too, making it the first fish to do so. Scientists have long used a mirror ...

Before deciding whether or not to fight another fish, cleaner wrasse check their own reflection in a mirror and size themselves up. First, Taiga Kobayashi at Osaka Metropolitan University in Japan ...

The bluestreak cleaner wrasse is just one of about 600 different species of wrasse. It's a little thing, about 3.9 inches (10 cm) long on average, with, well ... a blue streak down its side.

In the battle against sea lice, the salmon industry has had to deploy several different weapons. As well as chemical, ...

4 in the journal Raffles Bulletin of Zoology. He recognized that it was a razor wrasse fish, but it didn’t match any known species. The fish from the market had a “large” black and white ...