The Killer Clownfish Why your clownfish aren't getting along. Well, here's a surprising fact: Clownfish prefer to live in harems. If you only have two, they'll pick on each other until, sadly, the smaller one gives up the ghost. So, if you're considering clownfish, it's best to start with a group of four or five. Remember, avoiding the common mistake of keeping just two can save you a lot of heartache. Share this video if you found these clownfish facts helpful! #MarineAquarists #ClownfishCare #

OceanX Clownfish and Sea Anemone

Did you know that in a group of clownfish – also known as anemone fish (Amphiprioninae) – there's a strict dominance hierarchy? The largest and most aggressive female is found at the top. Anemone fish are protandrous sequential hermaphrodites, meaning they are all born males and become females when they mature. If the female anemone fish is removed from the group, such as by death, one of the largest and most dominant males becomes a female. The remaining males move up a rank in the hierarchy! D

Clownfish and their anemone