Cleaner wrasses (Labroides dimidiatus) thrive in coral reefs around the world. But they’re more than just another pretty face ...

In the current study, the scientists observed new behaviors during a series of mirror test experiments, a widely used method for evaluating self-recognition and animal cognition. Previous research had ...

Cleaner wrasse have revealed a remarkable new side of fish intelligence. Marked with fake parasites, they used mirrors to inspect and remove the spots—far faster than seen in earlier tests. Even more ...

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 ...

If you're not really into salt-water tanks or don't spend a lot of time in coral reefs, there's still a high probability you may have heard of the bluestreak cleaner wrasse fish. Likely because last ...

Before deciding whether or not to fight another fish, cleaner wrasse check their own reflection in a mirror and size themselves up. First, Taiga Kobayashi at Osaka Metropolitan University in Japan and ...

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 ...

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 ...

A shrimp scrap drifted down the face of a mirror, and a small reef fish tracked it like it was watching a slow-motion ...