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 ...

For decades, scientists used a mirror experiment to explore whether animals could recognize themselves. In that test, ...

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: ...

Charlie has an undergraduate degree in Forensic Psychology and writes on topics from zoology and psychology to herpetology.View full profile Charlie has an undergraduate degree in Forensic Psychology ...

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 ...

Cleaner wrasse quickly learn to recognize themselves in mirrors, and take advantage of the information their reflection provides. They also experiment with the mirror in a way we might call playful, ...

'Antisocial' damselfish are scaring off cleaner fish customers -- and this could contribute to coral reef breakdown. Damselfish have been discovered to disrupt 'cleaning services' vital to the health ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. For decades, self-awareness has been guarded as a very ...

A cleaner goby cleans a grouper in a Caribbean coral reef. These little fish clean much bigger fish of parasites and bacteria. Where do you go when you’re a fish and you need a skincare treatment?