WTF Fun Fact – Weird Clownfish Life

In a group of clownfish, there is only one female who is at the top of a strict hierarchy. Only two clownfish in a group reproduce through external fertilization. They are also hermaphrodites, so when the female dies, the largest and most dominant male becomes a female. – WTF Fun Facts

Source: https://en.wikipedia.org/wiki/Amphiprioninae