Anemonefish (also known as clownfish) are feisty little creatures, enthusiastically defending their anemone homes from intruders. And while it is sometimes fine to share with anemonefish of other ...

Several anemonefish or clownfish share one anemone, with the largest fish being a female. This is a trio of common clownfish (Amphiprion ocellaris). Dauin, Philippines. (Credit: Klaus Stiefel / CC ...

Nemo, the small animated fish, is an icon, snuggled up with his father in an anemone. And Pixar would have you believe that anemonefish life is generally peaceful and tranquil. But the myth belies ...

Most anemonefishes are striped and the direction of their stripes — vertical or horizontal — correlate with their levels of territorial aggression A new study reveals that anemonefishes display ...