Cleaner wrasse fish, the tiny reef dwellers that pick parasites off larger clients, behave more cooperatively when a ...

For decades, scientists used a mirror experiment to explore whether animals could recognize themselves. In that test, ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. With a color palette brighter than a bag of Skittles, you’d ...

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 ...

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 ...

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 ...

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 ...

Do you know that the fish here in Hawai‘i go to the dentist on a regular basis to have their teeth cleaned? From large sharks to young yellow tangs, they all get free dental work, but they must go to ...