Even before the Disney Pixar vehicle "Finding Nemo" turned a pair of clown fish into popular ocean-dwelling protagonists, these distinctive orange and white fish were adored for their charismatic ...

New research suggests that the fish may be counting vertical bars on intruders to determine their threat level, and to inform the social hierarchy governing their sea anemone colonies. Figure showing ...

Clown anemonefish have territorial tendencies. Unlike the freewheeling, fun-loving protagonist of Finding Nemo, real life clown anemonefish are extremely hostile – even toward human divers. "I have ...