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 ...

Cleaner wrasse picking parasites of a Fusilier fish. Underwater Macro Image taken scuba diving in Raja Ampat, Indonesia.© SergeUWPhoto/Shutterstock.com Cleaner ...

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 ...

Mirror tests are used to assess an animal’s response to its reflection. Explore how fish react and learn if they possess self-awareness. In February, a team of researchers published a paper showing ...

The endangered humphead wrasse, a reef fish that swims the seas from Africa to the South Pacific, is in high demand in mainland China and Hong Kong as a luxury culinary delicacy. Despite harvest ...

Laser pointers: they’re not just for taunting cats anymore. Marine researchers claim that at least some species of wild fish will dutifully chase a laser point on the seabed. And what’s more, this ...

With its distinct forehead bulge and striking bright blue, green, and yellow colors, the endangered humphead wrasse is certainly hard to miss. These colossal coral reef fish, found across the ...