A newly updated study has found that the blue streak cleaner wrasse, Labroides dimidiatus, may be capable of recognizing themselves in reflections and photos based on mental self-images. Researchers ...

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 ...

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 ...

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 ...

CNET editor Gael Fashingbauer Cooper, a journalist and pop-culture junkie, is co-author of "Whatever Happened to Pudding Pops? The Lost Toys, Tastes and Trends of the '70s and '80s," as well as "The ...

The intricate relationships between cleaner fish and cleaner shrimp underpin some of the most compelling examples of mutualism in coral reef ecosystems. These interactions involve smaller organisms ...

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 ...

'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 ...

Reef ecology Baby damselfish do better on coral reefs that are inhabited by other fish that keep them free of parasites, a new study has found. The findings are published today in the Royal Society ...