The ocellaris clownfish, also known as the false percula clownfish or common clownfish, is a marine fish belonging to the family Pomacentridae, which includes clownfishes and damselfishes. A. ocellari
Purple anemone (Heteractis magnifica) and resident anemonefish (Amphiprion ocellaris) in East Timor
Clownfish are initially male; the largest fish in a group becomes female.
The males can change sex to female during their lives, and live in a harem in which an established dominance hierarchy manages the group and keeps individuals at a specific social rank.
Stichodactyla mertensii, commonly known as Mertens' carpet sea anemone, is a species of sea anemones in the family Stichodactylidae. It is regarded as the largest sea anemone with a diameter of over 1
A. clarkii in a 'normal' color
A. clarkii showing a melanistic variation