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 ...

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: ...

Before squaring up for a fight, some fish check themselves out in the mirror to make sure they're big enough. This strange behavior was seen in bluestreak cleaner wrasse (Labroides dimidiatus), who ...

Researchers at Osaka Metropolitan University in Japan have discovered a previously undiscovered behavior in cleaner wrasse (Labroides dimidiatus). When presented with a mirror, the tiny fish not only ...

Learn how cleaner wrasse used a mirror and even dropped food to test their reflections, a behavior linked mostly to mammals. A small reef fish may be doing something scientists once thought was ...

A bluestreak cleaner wrasse (Labroides dimidiatus) swims in a tank at right, with its mirror image at left. Credit: Osaka Metropolitan University An Osaka Metropolitan University-led team has ...

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