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    • Unicornfish
  • (149)
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.  -  Alex Mustard
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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.
Yellowmask surgeonfish (Acanthurus mata), caught in fishing net. Indonesia, tropical Pacific Ocean.  -  Brandon Cole
01517408
Brandon Cole / Yellowmask surgeonfish (Acanthurus mata), caught in fishing net. Indonesia, tropical Pacific Ocean.
Orangespine unicornfish (Naso lituratus) profile portrait, Red Sea, Egypt.  -  Jeff Rotman
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Jeff Rotman / Orangespine unicornfish (Naso lituratus) profile portrait, Red Sea, Egypt.
Anemones (Actiniaria) with Maldives anemonefish (Amphiprion nigripes) and Surgeonfish (Acanthurus) moving in a strong current, Maldives, Indian Ocean.  -  Michael Pitts
01443828
Michael Pitts / Anemones (Actiniaria) with Maldives anemonefish (Amphiprion nigripes) and Surgeonfish (Acanthurus) moving in a strong current, Maldives, Indian Ocean.
Maldives anemonefish (Amphiprion nigripes) and Surgeonfish (Acanthurus) swimming in a strong current, with moving anemones (Actiniaria), Maldives, Indian Ocean.  -  Michael Pitts
01443827
Michael Pitts / Maldives anemonefish (Amphiprion nigripes) and Surgeonfish (Acanthurus) swimming in a strong current, with moving anemones (Actiniaria), Maldives, Indian Ocean.
Maldives anemonefish (Amphiprion nigripes) and Surgeonfish (Acanthurus) swimming in a strong current, with moving anemones (Actiniaria), Maldives, Indian Ocean.  -  Michael Pitts
01443826
Michael Pitts / Maldives anemonefish (Amphiprion nigripes) and Surgeonfish (Acanthurus) swimming in a strong current, with moving anemones (Actiniaria), Maldives, Indian Ocean.
Shoal of Sleek unicornfish (Naso hexacanthus) Maldives, Indian Ocean  -  Franco Banfi
01423427
Franco Banfi / Shoal of Sleek unicornfish (Naso hexacanthus) Maldives, Indian Ocean
Detail of dorsal fin of Bluespine Unicornfish (Naso Unicornis) Red Sea, Egypt  -  Jeff Rotman
01298906
Jeff Rotman / Detail of dorsal fin of Bluespine Unicornfish (Naso Unicornis) Red Sea, Egypt
Spotted unicornfish (Naso brevirostris), Andaman Sea, Thailand  -  Georgette Douwma
01210116
Georgette Douwma / Spotted unicornfish (Naso brevirostris), Andaman Sea, Thailand
RF- Green sea turtle (Chelonia mydas) being cleaned by herbivorous cleaner fish species Yellow tangs (Zebrasoma flavescens) and Gold-ring surgeonfish (Ctenochaetus strigosus) that graze algae on turtl...  -  Doug Perrine
01181162
Doug Perrine / RF- Green sea turtle (Chelonia mydas) being cleaned by herbivorous cleaner fish species Yellow tangs (Zebrasoma flavescens) and Gold-ring surgeonfish (Ctenochaetus strigosus) that graze algae on turtl...
School of Bluespine / Short nosed unicornfish {Naso unicornis} Egypt, Red Sea  -  Georgette Douwma
01073607
Georgette Douwma / School of Bluespine / Short nosed unicornfish {Naso unicornis} Egypt, Red Sea
Striated surgeonfish (Ctenochaetus striatus) Green Island, Taiwan.  -  Magnus Lundgren / Wild Wonders of China
01669783
Magnus Lundgren / Wild Wonders of China / Striated surgeonfish (Ctenochaetus striatus) Green Island, Taiwan.
Yellowfin surgeonfish (Acanthurus xanthopterus) female at a cleaning station with endemic Hawaiian cleaner wrasse (Labroides phthirophagus) Hawaii.  -  David Fleetham
01668628
David Fleetham / Yellowfin surgeonfish (Acanthurus xanthopterus) female at a cleaning station with endemic Hawaiian cleaner wrasse (Labroides phthirophagus) Hawaii.
Pletail unicornfish (Naso brevirostris) juvenile, its horn will continue to grow as it gets older. Fiji Pacific Ocean.  -  David Fleetham
01668625
David Fleetham / Pletail unicornfish (Naso brevirostris) juvenile, its horn will continue to grow as it gets older. Fiji Pacific Ocean.
Portrait of a Yellowtail tang (Zebrasoma xanthurum) on a coral reef. This species is endemic to the Red Sea. Abu Dabab Reef, Marsa Alam, Egypt. Red Sea.  -  Alex Mustard
01666529
Alex Mustard / Portrait of a Yellowtail tang (Zebrasoma xanthurum) on a coral reef. This species is endemic to the Red Sea. Abu Dabab Reef, Marsa Alam, Egypt. Red Sea.
Colony of Elkhorn coral (Acropora palmata) with blue tang (Acanthurus coeruleus) gathered at a cleaning station. East End, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea.  -  Alex Mustard
01666489
Alex Mustard / Colony of Elkhorn coral (Acropora palmata) with blue tang (Acanthurus coeruleus) gathered at a cleaning station. East End, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea.
Juvenile surgeonfish, (Naso sp) Balayan Bay from Anilao, Mabini, Batangas, the Philippines.  -  Magnus Lundgren
01656313
Magnus Lundgren / Juvenile surgeonfish, (Naso sp) Balayan Bay from Anilao, Mabini, Batangas, the Philippines.
Bignose Unicornfish (Naso vlamingii), French Polynesia, Pacific Ocean.  -  Brandon Cole
01652383
Brandon Cole / Bignose Unicornfish (Naso vlamingii), French Polynesia, Pacific Ocean.
Bignose unicornfish (Naso vlamingii) cleaned by Bluestreak cleaner wrasse (Labroides dimidiatus) at cleaning station next to coral head. Palau, Pacific Ocean.  -  Brandon Cole
01652268
Brandon Cole / Bignose unicornfish (Naso vlamingii) cleaned by Bluestreak cleaner wrasse (Labroides dimidiatus) at cleaning station next to coral head. Palau, Pacific Ocean.
Juvenile transparent (Acanthuridae sp) most likely a surgeon or a unicorn fish, Balayan Bay, off Anilao, Batangas, Philippines, Pacific Ocean Magnus  -  Magnus Lundgren
01649554
Magnus Lundgren / Juvenile transparent (Acanthuridae sp) most likely a surgeon or a unicorn fish, Balayan Bay, off Anilao, Batangas, Philippines, Pacific Ocean Magnus
Juvenile transparent (Acanthuridae sp) Balayan Bay, off Anilao, Batangas, Philippines, Pacific Ocean Magnus  -  Magnus Lundgren
01649548
Magnus Lundgren / Juvenile transparent (Acanthuridae sp) Balayan Bay, off Anilao, Batangas, Philippines, Pacific Ocean Magnus
Surgeonfish (Acanthuridae) shelter below a coral outcropping in Raja Ampat, West Papua, Indonesia. Pacific Ocean.  -  Nick Hawkins
01647970
Nick Hawkins / Surgeonfish (Acanthuridae) shelter below a coral outcropping in Raja Ampat, West Papua, Indonesia. Pacific Ocean.
Blue Tang Surgeonfish larva (Acanthurus coeruleus) at night in The Bahamas.  -  Shane Gross
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Shane Gross / Blue Tang Surgeonfish larva (Acanthurus coeruleus) at night in The Bahamas.
Brown scopas tang (Zebrasoma scopas) with unusual colouration, in coral reef. Derawan Islands, East Kalimantan, Indonesia.  -  Georgette Douwma
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Georgette Douwma / Brown scopas tang (Zebrasoma scopas) with unusual colouration, in coral reef. Derawan Islands, East Kalimantan, Indonesia.
Sleek unicornfish (Naso hexacanthus) which has turned a darker than normal colour to help an endemic Hawaiian cleaner wrasse, (Labroides phthirophagus) spot parasites, Hawaii.  -  David Fleetham
01641903
David Fleetham / Sleek unicornfish (Naso hexacanthus) which has turned a darker than normal colour to help an endemic Hawaiian cleaner wrasse, (Labroides phthirophagus) spot parasites, Hawaii.
Ocan Pacifique - Nouvelle caldonie - Gros plan de la tte d'un nason licorne (Naso brevirostris) de nuit Pacific Ocean - New Caledonia - A close-up of the head of a spotted or longnose unicornfish (...  -  Pascal Kobeh
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Pascal Kobeh / Ocan Pacifique - Nouvelle caldonie - Gros plan de la tte d'un nason licorne (Naso brevirostris) de nuit Pacific Ocean - New Caledonia - A close-up of the head of a spotted or longnose unicornfish (...
Gendarme fish (Acanthurus olivaceus) grazing on reef, Ningaloo Reef, Solomon Islands.  -  Fred  Olivier
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Fred Olivier / Gendarme fish (Acanthurus olivaceus) grazing on reef, Ningaloo Reef, Solomon Islands.
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
01632297
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...
Post larval Red Sea sailfin tang (Zebrasoma desjardinii), Gubal Island, Egypt. Strait Of Gubal, Gulf of Suez, Red Sea.  -  Alex Mustard
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Alex Mustard / Post larval Red Sea sailfin tang (Zebrasoma desjardinii), Gubal Island, Egypt. Strait Of Gubal, Gulf of Suez, Red Sea.
Spotted unicornfish (Naso brevirostris) Green Island, a small volcanic island in the Pacific Ocean , Taiwan  -  Magnus Lundgren / Wild Wonders of China
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Magnus Lundgren / Wild Wonders of China / Spotted unicornfish (Naso brevirostris) Green Island, a small volcanic island in the Pacific Ocean , Taiwan
Elongate surgeonfish (Acanthurus mata). West Papua, Indonesia. Indo-West Pacific.  -  Georgette Douwma
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Georgette Douwma / Elongate surgeonfish (Acanthurus mata). West Papua, Indonesia. Indo-West Pacific.
Mimic surgeonfish (Acanthurus pyroferus). North Sulawesi, Indonesia.  -  Georgette Douwma
01611731
Georgette Douwma / Mimic surgeonfish (Acanthurus pyroferus). North Sulawesi, Indonesia.
Brown tang (Zebrasoma scopas). North Sulawesi, Indonesia.  -  Georgette Douwma
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Georgette Douwma / Brown tang (Zebrasoma scopas). North Sulawesi, Indonesia.
Whitebar surgeonfish (Acanthurus leucopareius) school in underwater cave, oxygenated water brought down by Pacific ocean surge. Kona, The Big Island, Hawaii.  -  David Fleetham
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David Fleetham / Whitebar surgeonfish (Acanthurus leucopareius) school in underwater cave, oxygenated water brought down by Pacific ocean surge. Kona, The Big Island, Hawaii.
Eyestripe surgeonfish (Acanthurus dussumieri) and Bigscale soldierfish (Myripristis berndti) school. Hawaii.  -  David Fleetham
01607218
David Fleetham / Eyestripe surgeonfish (Acanthurus dussumieri) and Bigscale soldierfish (Myripristis berndti) school. Hawaii.
Orangespine unicornfish (Naso lituratus), female amongst Bigscale soldierfish (Myripristis berndti) school, Hawaii.  -  David Fleetham
01607204
David Fleetham / Orangespine unicornfish (Naso lituratus), female amongst Bigscale soldierfish (Myripristis berndti) school, Hawaii.
Achilles tang (Acanthurus achilles) in coral reef. Kauai, Hawaii.  -  David Fleetham
01607203
David Fleetham / Achilles tang (Acanthurus achilles) in coral reef. Kauai, Hawaii.
Blue tang (Acanthurus coeruleus) with Bluehead (Thalassoma bifasciatum) juveniles at cleaning station on coral reef. George Town, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea. Digi...  -  Alex Mustard
01601426
Alex Mustard / Blue tang (Acanthurus coeruleus) with Bluehead (Thalassoma bifasciatum) juveniles at cleaning station on coral reef. George Town, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea. Digi...
Yellowtail surgeonfish (Prionurus punctatus) grazing on the reef, San Agustin Bay, Huatulco Bays National Park, southern Mexico.  -  Claudio  Contreras
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Claudio Contreras / Yellowtail surgeonfish (Prionurus punctatus) grazing on the reef, San Agustin Bay, Huatulco Bays National Park, southern Mexico.
Yellowtail Surgeonfish (Prionurus punctatus) blurred motion, San Agustin Bay, Huatulco Bays National Park, southern Mexico, November  -  Claudio  Contreras
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Claudio Contreras / Yellowtail Surgeonfish (Prionurus punctatus) blurred motion, San Agustin Bay, Huatulco Bays National Park, southern Mexico, November
Yellowtail surgeonfish (Prionurus punctatus) feeding, San Agustin Bay, Huatulco Bays National Park, southern Mexico, November  -  Claudio  Contreras
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Claudio Contreras / Yellowtail surgeonfish (Prionurus punctatus) feeding, San Agustin Bay, Huatulco Bays National Park, southern Mexico, November
Yellowtail surgeonfish (Prionurus punctatus) over reef, San Agustin Bay, Huatulco Bays National Park, southern Mexico, November  -  Claudio  Contreras
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Claudio Contreras / Yellowtail surgeonfish (Prionurus punctatus) over reef, San Agustin Bay, Huatulco Bays National Park, southern Mexico, November
RF - Long exposure of a school of yellowtail surgeonfish (Prionurus punctatus), these fish school to help them access the best feeding areas, which are controlled by aggressive damselfish. Los Islotes...  -  Alex Mustard
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Alex Mustard / RF - Long exposure of a school of yellowtail surgeonfish (Prionurus punctatus), these fish school to help them access the best feeding areas, which are controlled by aggressive damselfish. Los Islotes...
Grey Unicornfish (Naso caesius) and Sleek Unicorn fish (Naso hexacanthus ) school at Banc Lorne, New Caledonia.  -  Richard Robinson
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Richard Robinson / Grey Unicornfish (Naso caesius) and Sleek Unicorn fish (Naso hexacanthus ) school at Banc Lorne, New Caledonia.
Bluespine unicornfish (Naso unicornis) Shark Reef to Jolande, Ras Mohammed National Park, Egypt, Red Sea.  -  Linda Pitkin
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Linda Pitkin / Bluespine unicornfish (Naso unicornis) Shark Reef to Jolande, Ras Mohammed National Park, Egypt, Red Sea.
Bluespine unicornfish (Naso unicornis) Shark Reef to Jolande, Ras Mohammed National Park, Egypt, Red Sea.  -  Linda Pitkin
01597311
Linda Pitkin / Bluespine unicornfish (Naso unicornis) Shark Reef to Jolande, Ras Mohammed National Park, Egypt, Red Sea.
Blue tang (Acanthurus coeruleus) and Doctorfish (Acanthurus chirurgus), in foraging aggregation. Bonaire, Leeward Antilles, Caribbean.  -  Linda Pitkin
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Linda Pitkin / Blue tang (Acanthurus coeruleus) and Doctorfish (Acanthurus chirurgus), in foraging aggregation. Bonaire, Leeward Antilles, Caribbean.
Scrawled filefish (Aluterus scriptus) shadowed by Trumpetfish (Aulostomus maculatus). Blue Tang (Acanthurus coeruleus)  also in this mixed fish species feeding association. Bonaire, Leeward Antilles,...  -  Linda Pitkin
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Linda Pitkin / Scrawled filefish (Aluterus scriptus) shadowed by Trumpetfish (Aulostomus maculatus). Blue Tang (Acanthurus coeruleus) also in this mixed fish species feeding association. Bonaire, Leeward Antilles,...
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