Now, in a study published on September 30 in Communications Biology, researchers have found that fish known as cleaner wrasse (Labroides dimidiatus) also behave differently when watched. Females were ...

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Whether you’re preparing a simple pan-fried fillet or an elegant whole-baked fish, knowing how to debone and skin it properly ...

Wrasse perform a vital cleaning function for other fish, by ridding their bodies of dead cells and parasites. Their biggest customers--literally and figuratively--are the massive manta rays.

“The findings might fundamentally overturn the common belief that fish lack minds.” For the experiment, the team used bluestreak cleaner wrasse, a species measuring more than 10 centimeters ...