Definitions for "clownfish"
The clownfish, or anemonefish, are the subfamily Amphiprioninae of the family Pomacentridae Currently 27 species exist, of which one is in the genus Premnas and the rest are in the subfamily's type genus Amphiprion. The other pomacentrids are called damselfish.
Keywords:  they're, bright, popular, good, colors
a good example of why they're so popular with their bright colors