5 Interesting Facts About Ocellaris Clownfish

Here are 2 ocellaris clownfish hiding in an anemone

Here are 2 ocellaris clownfish hiding in an anemone

Today, I want to write about a lovely fish that was made famous by the movie Finding Nemo, the ocellaris clownfish.

Here are five interesting facts about them:

  1. Also known as the common clownfish, these beautiful little fish only grow to about 11 cm long.  They most commonly are orange-red with three white bands, but there are black and white versions as well.
  2. Ocellaris clownfish form a very close relationship with the anemones that they live in.  They have mucus on their skin that tricks the anemone into thinking that it is touching itself, so they don’t get stung.  This gives the fish excellent protection whilst feeding on parasites to help keep the anemone clean.
  3. These guys have a very complex social structure with a dominant female who is the boss.  If the female dies, the largest male will turn into a female and take over as the boss.
  4. When they breed, the female will lay between 100-1,000 eggs on a clean piece of coral or rock.  The male will defend the eggs for a few days until they hatch.  The baby fish are all born as males and live near the surface of the ocean until they get bigger and then they swim down to find an anemone to live in.
  5. Ocellaris clownfish are found from the eastern Indian Ocean to the western Pacific Ocean, including south-east Asia, northern Australia, Japan and Taiwan.  Whilst they are not considered endangered at the moment, their habitat and breeding habits are impacted by global warming which can put them at risk in the future.

I hope that you found these facts interesting and learned something new.

Are there any other interesting facts that you would like to share about ocellaris clownfish?

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