Chimps do it, birds do it, and now it turns out that fish do it, too - they all use tools of one kind or another to catch whatever they need to eat. Giacomo Bernardi, an evolutionary biologist at UC ...

Cleaner wrasse fish, the tiny reef dwellers that pick parasites off larger clients, behave more cooperatively when a potential customer is watching, according to experimental evidence published in ...

Controversial new research shows that a tiny, unsuspecting species of fish can pass a test that’s widely considered the gold standard of intelligence. As far as we can tell, only a few of the most ...

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Change, an inevitable and natural aspect of life, is occasionally dramatic or surprising. Wrasses comprise one of the largest families (Labridae) of fish and are ubiquitous inhabitants of tropical ...

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 ...

With sumptuous, fleshy lips and a bulbous, protruding forehead, the humphead wrasse is an unforgettable fish. This enormous, colorful coral-reef dweller is slow to reproduce, making it vulnerable to ...