Reef "beauty salons" staffed by tiny cleaner fish aren t just for parasite removal they may also shape the microbial life of the entire ecosystem. A fascinating new study shows these bustling fish ...

A cleaner goby cleans a grouper in a Caribbean coral reef. These little fish clean much bigger fish of parasites and bacteria. Where do you go when you’re a fish and you need a skincare treatment?

In a lab at the University of Miami, there are tanks of knobby, tan-colored corals from Florida, Honduras and the Cayman Islands. They've been drafted into a sort of coral Olympics, as scientists look ...