A finger-length fish has reignited a long-running debate about self-awareness, cognition and how much we’ve underestimated ...

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 ...

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 ...

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 ...

How can we save wild salmon from extinction, and at the same time ensure farmed salmon a life free from lice and other suffering? Research uncovers critical challenges related to management, fish ...

Some of the reef fish that make their living by nibbling parasites off other fish may be luring clients into scams by offering free massages. Widespread fish called cleaner wrasses (Labroides ...