Shoal of Redtail Butterflyfish, Chaetodon collare, South Male Atoll, Indian Ocean, Maldives

redtail butterflyfish chaetodon collare south male atoll indian ocean maldives redtailed butterfly collared butterflyfish butterflyfish fish coral fish chaetodontidae schooling kandooma thila geography nature sea ocean sealife marine wildlife underwater no people large group of animals shoal side view horizontal rm