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 ...

If THERE is one fish that seems to be high on everyone’s tropical bucket list, it has to be the napoleon wrasse. Also known as a humpheaded or maori wrasse, this species inhabits coral reefs in ...

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The rock-mover wrasse grows to be 12 inches long, but the babies look more like a piece of limu (seaweed) than a fish. The two-inch-long baby rock-movers have branching fins that grow out from their ...

A cleaner wrass with an island jack customer. Select an option below to continue reading this premium story. Already a Honolulu Star-Advertiser subscriber? Log in now to continue reading. Not all fish ...

What’s good for farmed salmon may not be for natural ecosystems. Small fish called wrasse painlessly peck sea lice from the skin of farmed salmon, enabling salmon farmers rely less on powerful ...

Member nations of the Convention on International Trade in Endangered Species (CITES) approved regulating trade in humphead wrasse, a giant coral reef fish threatened by the luxury food trade in Asia.

Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto. Please ...