Reef ecology Baby damselfish do better on coral reefs that are inhabited by other fish that keep them free of parasites, a new study has found. The findings are published today in the Royal Society ...

SAN DIEGO (KSWB/KUSI) — Researchers say they have discovered a new species of tropical fish during an expedition to remote islands off the Pacific coast of Mexico. Named the Halichoeres sanchezi, or ...

If you're not really into salt-water tanks or don't spend a lot of time in coral reefs, there's still a high probability you may have heard of the bluestreak cleaner wrasse fish. Likely because last ...

Before squaring up for a fight, some fish check themselves out in the mirror to make sure they're big enough. This strange behavior was seen in bluestreak cleaner wrasse (Labroides dimidiatus), who ...