Common Name: Clarkii Clownfish, Clark’s Anemonefish, Clark’s Clownfish, Sebae Clownfish Scientific Name: Amphiprion Clarkii   Maximum Size: 5.5 in. Minimum Tank Size: 30 Gallons Reef Compatible: Yes Diet: Meaty foods Temperament: May become aggressive when fully mature.   Other Notes: Clarkiis are one of the best hosting clowns available but can become very territorial over their host anemone.