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 ...

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 ...

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 ...

New findings suggest bluestreak cleaner wrasse understand how their body size stacks up against a rival Sarah Kuta Daily Correspondent Bluestreak cleaner wrasse are small, territorial fish that ...

In the 2004 animated movie Shark Tale, a bluestreak cleaner wrasse played by Will Smith finds himself embroiled in a fight for survival against a criminal syndicate of bloodthirsty sharks. Even in our ...

Fish might not be the brainiest of animals, but new research suggests that some of these finned creatures can recognize their own faces in a mirror — an indication of self-awareness that has so far ...

An experiment with threadfin butterflyfish finds that these fish may experience pleasure while being cleaned by bluestreak cleaner wrasse —... We tend to credit animals like cats and dogs with a ...

We tend to credit animals like cats and dogs with a certain degree of mental complexity. But fish aren't usually afforded that kind of praise. "They do not talk, they do not bark," says Caio Maximino, ...