The rock-mover wrasse grows to be 12 inches long, but the babies look more like a piece of limu (seaweed) than a fish. The two-inch-long baby rock-movers have branching fins that grow out from ...

reports that on a recent diving expedition to Australia's Great Barrier Reef he discovered and filmed a wrasse, called an orange dotted tusk fish, using an underwater rock as an anvil to smash a ...

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 ...

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 ...

Researchers at Osaka Metropolitan University in Japan have discovered that the 'cleaner' wrasse fish, Labroides dimidiatus, is able to recognise itself in a photo. The species is known to attack ...

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 ...

Bluestreak cleaner wrasse are small, territorial fish that aggressively fend off intruders. But when they have access to a mirror, the fish size themselves up before deciding whether or not to fight.

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 ...