Anyone who has seen the movie Finding Nemo probably thinks they know all there is to know about the clownfish, also called the clown anemonefish.
They have a very recognizable and cute appearance with bright orange color with three distinctive white bars. This makes the clown anemonefish among the most recognizable of all reef-dwellers. They reach about 4.3 inches in length, and are named for the multicolored sea anemone in which they make their homes.
But did you know that all clownfish are born male?
Surprisingly, all clownfish are born male. They have the ability to switch their sex, but will do so only to become the dominant female of a group. The change is irreversible.