A shrimp scrap drifted down the face of a mirror, and a small reef fish tracked it like it was watching a slow-motion experiment. The fish, a blue-streak cleaner wrasse, had carried the shrimp upward, ...

Add Yahoo as a preferred source to see more of our stories on Google. A chef trimming a side of salmon in his kitchen - Westend61/Getty Images Removing the skin from a fish is a tricky task, given how ...

Fish might not be the brainiest of animals, but new research suggests that some of these finned creatures can recognize their own faces in a mirror — an indication of self-awareness that has so far ...

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 ...