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 ...

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

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.

An Osaka Metropolitan University-led team has demonstrated that bluestreak cleaner wrasse (Labroides dimidiatus) check their body size in a mirror before choosing whether to attack fish that are ...

Humphead wrasse is often dished up at seafood restaurants in Hong Kong. Considered a delicacy, it has been known to fetch as much as US$850 per kilogram. But many people may not be aware that the ...

More than 135,000 fish have died at a salmon farm in the northwest Highlands run by a Norwegian company in the last two years ...

The Travis Scott fish is not a name for the species going by the scientific name Cheilinus undulatus. But rest assured, the fish that goes by four different names out in the wild looks to seem ...

Upon finding an urchin, a wrasse would skilfully approach it from the side and use its snout to gingerly turn the urchin over with a series of pushes and jabs. The underside of the urchin has ...

The bluestreak cleaner wrasse (Labroides dimidiatus) — a tropical fish that nibbles dead skin and parasites from other fish — seems to recognize its reflection, but it was unclear whether it ...