Alex Mustard / Yellowtail tang (Zebrasoma xanthurum) male and female turn belly to belly during spawning to ensure fertilization. Temple, Ras Umm Sid, Sharm El Sheikh, Sinai, Egypt. Red Sea. This action is very fast...

Alex Mustard / Yellowtail tang (Zebrasoma xanthurum) male courting a female prior to spawning at dusk on a coral reef. Temple, Ras Umm Sid, Sharm El Sheikh, Sinai, Egypt. Red Sea.

Georgette Douwma / Yellowtail tang or Yellowtail surgeonfish (Zebrasoma xanthurum), Red Sea, Egypt. January.

Pascal Kobeh / Close-up of the head of a Yellowfin surgeonfish (Acanthurus xanthopterus) Maldives, Indian Ocean.

Juergen Freund / Yellowfin surgeonfish (Acanthurus xanthopterus), Great Barrier Reef, Queensland, Australia.

Georgette Douwma / Yellowtail tang or surgeonfish (Zebrasoma xanthurum) Egypt, Red Sea.

Georgette Douwma / Yellowtail tang or surgeonfish (Zebrasoma xanthurum) Egypt, Red Sea.

Claudio Contreras / Yellowfin surgeonfish (Acanthurus xanthopterus) with Leopard grouper (Mycteroperca rosacea) in the background, Cabo Pulmo National Park, Sea of Cortez (Gulf of California), Mexico, July

Flip Nicklin / Sailfin Tang (Zebrasoma veliferum) profile

Joel Sartore / Photo Ark / Yellowtail tang (Zebrasoma xanthurum) portrait, Sharjah Aquarium, UAE. Captive, occurs in north western Indian Ocean.

Georgette Douwma / RF - Composite image of blue tropical reef fish on a black background, Blue triggerfish (Pseudobalistes fuscus), Elonggate surgeonfish (Acanthurus mata), Yellowtail tang (Zebrasoma xanthurum), Neon da...

Georgette Douwma / RF - Tropical reef fish, composite image on black background, Thornback cowfish (Lactoria penthacantha), Mandarinfish (Synchiropus splendidus), Square-spot antias (Pseudanthias pleurotaenia), Lionfis...

Nigel Cattlin / Poplar hawk moth (Laothoe populi) resting on Poplar (Populus sp) leaf. Devon, England, UK. May.

Nigel Cattlin / Convolvulus hawk moth (Agrius convolvuli) female resting with wings partly open, on damaged leaf. Berkshire, England, UK. October.

Nigel Cattlin / Convolvulus hawk moth (Agrius convolvuli) female resting on damaged leaf. Berkshire, England, UK. October.

Nigel Cattlin / Elephant hawk-moth (Deilephila elpenor) caterpillar feeding on Orange balsam (Impatiens capensis) leaves. Berkshire, England, UK. September.

David Tipling / Mourning gecko (Lepidodactylus lugubris) with Hawkmoth (Sphingidae) prey. Nara, Makira Island, Solomon Islands.

Bernard Castelein / Convolvulus hawk-moth (Agrius convolvuli) resting on tree trunk, Brasschaat, Belgium. August

Bernard Castelein / Convolvulus hawk-moth (Agrius convolvuli) resting on tree trunk, Brasschaat, Belgium. August

Nigel Cattlin / Tobacco hornworm / hawkmoth (Manduca sexta) pupa on soil, a serious Tobacco (Nicotiana sp) pest.

Nigel Cattlin / Eyed hawk moth (Smerinthus ocellata) on Lime (Tilia sp) leaves.

Nigel Cattlin / Death's head hawk-moth (Acherontia atropos) late instar caterpillar. England, UK.

Nigel Cattlin / Death's head hawk-moth (Acherontia atropos) late instar caterpillar. England, UK.

Nigel Cattlin / Lime hawkmoth (Mimas tiliae) moth on Lime (Tilia sp) leaf. Berkshire, England, UK.