Clownfish are known for their remarkable ability to change sex to survive. Turns out, one species, clown anemonefish (Amphiprion percula), popularized in the Pixar hit movie Finding Nemo, have yet ...

When a young tomato anemonefish (a cousin to the famous Nemo) arrives at a new home, it carries extra white stripes. These bright bars aren’t just for show. They represent youth, a lower social rank, ...

We often think of fish as carefree swimmers in the ocean, reacting to the world around them without much forethought. However, new research suggests that our marine cousins may be more cognizant than ...

Scientists have long assumed that anemonefish's tight-knit relationship with sea anemones, their protective hosts, was the main engine behind their evolutionary diversification. But the team wondered ...

The clownfish-anemone living arrangement is one of the most widely recognized examples of symbiosis. Researchers have made a breakthrough in understanding how anemonefish can live safely among sea ...

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 ...

Like the father in 'Finding Nemo,' anemonefish dads will do almost anything to support their offspring. Their parenting instincts are so strong that if you give a bachelor anemonefish eggs from an ...

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 ...

Scientists reveal new lineages of giant sea anemones in Japan and their surprising associations with anemonefish. The scientists discovered that anemonefish are better at distinguishing different ...

CHAMPAIGN, Ill. -- Like the father in "Finding Nemo," anemonefish dads will do almost anything to support their offspring. Their parenting instincts are so strong that if you give a bachelor ...