It must be freaky for some animals to have a natural gender change through hermaphroitism.
Yes it is, do you have any examples?
mainly  Clownfish, wrasses, moray eels, gobies and other fish species
That is really neat, I didn't know that about any of those animals.
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 (the 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 the disappearance of the previous dominant male.
Natural sex change, in both directions, has also been reported in mushroom corals. This is posited to take place in response to environmental or energetic constraints,
process of changing gender role ("living as a woman" instead of living as a man, or vice versa), including but not necessarily limited to medical procedures.
Natural sex change.
Natural 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, gobies and other fish species are known to change sex, including reproductive functions. A school of clownfish is always