 Specimens associated with "Heteractis crispa" tend to be darker than those associated with "Stichodactyla haddoni".Aquarium specimens have been observed becoming lighter or darker after accepting a new host anemone species, sometimes within a few hours.Historically anemonefish have been identified by morphological features, color pattern in the field, while in a laboratory other features such as scalation of the head, tooth shape and body proportions.