Franco Banfi,Franco Banfi / Ocean Sunfish (Mola Mola) with Longfinned bannerfish (Heniochus acuminatus) Crystal Bay, Nusa Penida, Bali Island, Indonesia, Pacific Ocean

Franco Banfi / Shoal of Longfin bannerfish (Heniochus acuminatus) Maldives, Indian Ocean

Franco Banfi / Shoal of Longfin bannerfish (Heniochus acuminatus) Maldives, Indian Ocean

Juergen Freund / Longfin Bannerfish (Heniochus acuminatus) head on portrait, Bali, Indonesia, Indo-pacific

Fred Bavendam / Longfin Bannerfish (Heniochus acuminatus) pair, Bali, Indonesia

Doug Perrine / Shoal of Longfin bannerfish {Heniochus acuminatus} Rangiroa Atoll, Tuamotu Islands, French Polynesia, South Pacific Ocean (Non-ex).

Pascal Kobeh / Cup coral (Turbinaria mesenterina) housing Blackblotch or blackspot squirrelfish (Sargocentron melanospilos) and a longfin bannerfish (Heniochus acuminatus), New Caledonia, Pacific Ocean.

Pascal Kobeh / Longfin bannerfish (Heniochus acuminatus), three in front of Giant seafan / gorgonian (Annella mollis). Indian Ocean, Madagascar.

Pascal Kobeh / Longfin bannerfish (Heniochus acuminatus) shoal in front of Giant seafan / gorgonian (Annella mollis). Indian Ocean, Madagascar.

Gary Bell/ Oceanwide / Longfin Bannerfish (Heniochus acuminatus) and sea fan, Great Barrier Reef, Australia

David Fleetham / Ocean Sunfish (Mola mola) being cleaned by an angelfish and longfin bannerfish as divers look on. Crystal Bay, Nusa Penida, Bali Island, Indonesia, Pacific Ocean.

David Fleetham / Ocean Sunfish (Mola mola) being cleaned by an angelfish, butterflyfish and longfin bannerfish. Crystal Bay, Nusa Penida, Bali Island, Indonesia, Pacific Ocean.