Sex Change in Animals
Some species exhibit sequential hermaphroditism. In these species, such as many species of coral reef fishes, sex change is a normal anatomical process. Clownfish, wrasses, moray eels and other fish species are known to change sex including reproductive functions. A school of clownfish is always built into a hierarchy with a Female fish at the top. When she dies, the most dominant male changes sex and takes her place. In the wrasses (Family Labridae), sex change is from female to male, with the largest female of the harem changing into a male and taking over the harem upon his disappearance.
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