Cleaner wrasse picking parasites of a Fusilier fish. Underwater Macro Image taken scuba diving in Raja Ampat, Indonesia.© SergeUWPhoto/Shutterstock.com Cleaner ...

Add Yahoo as a preferred source to see more of our stories on Google. Cleaner wrasse quickly scraped off a mirror-only mark, then used shrimp scraps to probe mirror space, researchers report. (CREDIT: ...

Researchers have demonstrated that bluestreak cleaner wrasse (Labroides dimidiatus) checked their body size in a mirror before choosing whether to attack fish that were slightly larger or smaller than ...

University of Queensland researchers have discovered the presence of the bluestreak cleaner wrasse increases the number of juvenile fish on reefs. The study, led by UQ School of Biological Sciences ...

A team of biologists at Osaka City University, working with a colleague from the University of Neuchâte, reports that a type of cleaner fish can pass the mirror test and then recognize itself in a ...

Cleaner wrasse fish, the tiny reef dwellers that pick parasites off larger clients, behave more cooperatively when a potential customer is watching, according to experimental evidence published in ...

Add Yahoo as a preferred source to see more of our stories on Google. Cleaner wrasse picking parasites of a Fusilier fish. Underwater Macro Image taken scuba diving ...

Cleaner wrasse play an important role in keeping other reef fish clean and parasite-free. In the study, the fish demonstrated "contingency testing" skills, an attempt to figure out cause-and-effect.