Common clownfish (Amphiprion ocellaris) live in anemones and can be very territorial. Reinhard Dirscherlullstein bild via Getty Images Get the Popular Science daily newsletter💡 ...

More of ocellaris clownfish (Amphiprion ocellaris), also known as the false percula clownfish or common clownfish with its host anemone, giant carpet anemone (Stichodactlya gigantea), on Miyako ...

Common clownfish don’t like sharing their anemone with visitors of the same species, although they will tolerate other clownfish species, so how do they tell friend from foe? In a new article ...

This article was originally featured on Hakai Magazine, an online publication about science and society in coastal ecosystems. Read more stories like this at hakaimagazine.com. For clownfish, life ...

Common clownfish initially form two white stripes at around 11 days old, before gaining the third three days later. Dr Hayashi suspects clownfish who grow up with other two-striped youngsters see ...

A clownfish swims around sea anemones in the sea (Xinhua) Popularized by Disney's Finding Nemo, the common clownfish may not see its eggs hatch if they are exposed to artificial light at night ...

Clownfish, a small orange and white species made famous by the “Finding Nemo” movies, have been found to shrink in order to boost their chances of surviving marine heat waves, according to a ...

Heat waves are becoming more common and intense underwater due to climate change. Warmer water temperatures can bleach sea anemones that clownfish call home, forcing them to adapt to stay alive.

This time around, Kayashi and co-authors raised a school of young common clownfish (A. ocellaris) from eggs to ensure that the fish had never set eyes on other species of anemonefish.

CLOWNFISH can count to determine whether other fish are friend or foe, research suggests. Experiments found they appear to ­identify their own kind from the number of stripes on their bodies.