Schooling threadfin butterflyfish (Chaetodon auriga), in Rarotonga Lagoon, The Cook Islands, South Pacific, Pacific

Thread fin butterflyfish (Chaetodon auriga), usually seen in pairs, Queensland, Australia, Pacific

Pair of Threadfin Butterflyfish, Chaetodon auriga, Komodo National Park, Indonesia

Threadfin butterflyfish (Chaetodon auriga), Beqa Lagoon, Viti Levu, Fiji, South Pacific, Pacific

Threadfin anthias (Pseudanthias huchti) swarm around a diverse coral reef. Komodo, Indonesia.

Two Masked Butterflyfishes, Chaetodon semilarvatus, Sudan, Africa, Red Sea

Two Threadfin butterflyfish (Chaetodon auriga) swimming underwater, Papua New Guinea

Schooling Threadfin butterflyfish (Chaetodon auriga) in Rarotonga Lagoon, Cook Islands

Threadfin butterflyfish (Chaetodon auriga), Sudan, Red Sea, Africa

Threadfin butterflyfish (Chaetodon auriga), Sudan, Red Sea, Africa