Fish ID: Spinecheek Anemonefish (female)

Anemonefish spinecheek anemonefish premnas biaculeatus hon female
Family Anemonefish (Amphiprioninae)
species Premnas biaculeatus
size Up to 16cm
locality Preference for bulb tentacled Anemone
behaviour Not shy, even aggressive
range Throughout Western pacific

Female is larger and more aggressive than male, particularly when defending a nest. Also, much darker in colour, and has three almost grey bands.