The anemone fish, which are also known under the name Clownfish or Amphiprion, are a species of the family of damselfish and thus to the order Perciformes. The anemone fish live in symbiosis with sea anemones, individual species require certain sea anemones to be in a symbiosis. The sea anemones offer clownfish protection, since these are generally poor swimmers. Depending on the type, they are long between 7 and 16cm. Anemone fish are particularly widespread in the tropical regions of the Indo-Pacific.