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Grooved brain coral (Diploria labyrinthiformis) at night with polyps extended to feed, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea.  -  Alex Mustard
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Alex Mustard / Grooved brain coral (Diploria labyrinthiformis) at night with polyps extended to feed, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea.
Aggregation / bloom / swarm of Moon Jellyfish (Aurelia aurita) in the clear waters of Loch Na Keal, off the Isle of Mull, north west Scotland, UK, June, Photographed through the surface.  -  Nick Garbutt
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Nick Garbutt / Aggregation / bloom / swarm of Moon Jellyfish (Aurelia aurita) in the clear waters of Loch Na Keal, off the Isle of Mull, north west Scotland, UK, June, Photographed through the surface.
Hydromedusa/ Trachymedusa (Crossota sp) from approx 2700m, mid Atlantic ridge, June 2010  -  David Shale
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David Shale / Hydromedusa/ Trachymedusa (Crossota sp) from approx 2700m, mid Atlantic ridge, June 2010
A shiver of Caribbean reef sharks (Carcharhinus perezi) swim over a coral reef with Common sea fans (Gorgonia ventalina) and sea plumes (Pseudopterogorgia sp). Jardines de la Reina, Gardens of the Que...  -  Alex Mustard
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Alex Mustard / A shiver of Caribbean reef sharks (Carcharhinus perezi) swim over a coral reef with Common sea fans (Gorgonia ventalina) and sea plumes (Pseudopterogorgia sp). Jardines de la Reina, Gardens of the Que...
A vibrant Caribbean coral reef with two Reef sharks (Carcharhinus perezi) and Common sea fans (Gorgonia ventalina) and sea plumes (Pseudopterogorgia sp). Jardines de la Reina, Gardens of the Queen Nat...  -  Alex Mustard
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Alex Mustard / A vibrant Caribbean coral reef with two Reef sharks (Carcharhinus perezi) and Common sea fans (Gorgonia ventalina) and sea plumes (Pseudopterogorgia sp). Jardines de la Reina, Gardens of the Queen Nat...
A Giant clam (Tridacna gigas) surrounded by Lettuce coral (Turbinaria reniformis), Kosrae, Micronesia.  -  Shane Gross
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Shane Gross / A Giant clam (Tridacna gigas) surrounded by Lettuce coral (Turbinaria reniformis), Kosrae, Micronesia.
Crinoid (Crinoidea) on Soft coral (Alcyonacea). Derawan Islands, East Kalimantan, Indonesia.  -  Georgette Douwma
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Georgette Douwma / Crinoid (Crinoidea) on Soft coral (Alcyonacea). Derawan Islands, East Kalimantan, Indonesia.
Cuckoo wrasse (Labrus mixtus) male in front of Red sea fan, (Paramuricea clavata), Stupiste In dive site, Vis Island, Croatia, Adriatic Sea, Mediterranean  -  Franco  Banfi
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Franco Banfi / Cuckoo wrasse (Labrus mixtus) male in front of Red sea fan, (Paramuricea clavata), Stupiste In dive site, Vis Island, Croatia, Adriatic Sea, Mediterranean
Pink anemonefish (Amphiprion perideraion) living in symbiotic association with Magnificent sea anemone (Heteractis magnifica) Palau.  -  Shane Gross
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Shane Gross / Pink anemonefish (Amphiprion perideraion) living in symbiotic association with Magnificent sea anemone (Heteractis magnifica) Palau.
Pink anemonefish (Amphiprion perideraion) living in symbiotic association with Magnificent sea anemone (Heteractis magnifica), Palau  -  Shane Gross
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Shane Gross / Pink anemonefish (Amphiprion perideraion) living in symbiotic association with Magnificent sea anemone (Heteractis magnifica), Palau
Jellyfish, probably a purple stinger (Pelagia noctiluca) at night in the Sargasso Sea, Atlantic Ocean.  -  Shane Gross
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Shane Gross / Jellyfish, probably a purple stinger (Pelagia noctiluca) at night in the Sargasso Sea, Atlantic Ocean.
Translucent coral goby (Bryaninops erythrops) in Seapen (Virgularia gustaviana). Komodo National Park, Indonesia. Indo-West Pacific.  -  Georgette Douwma
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Georgette Douwma / Translucent coral goby (Bryaninops erythrops) in Seapen (Virgularia gustaviana). Komodo National Park, Indonesia. Indo-West Pacific.
Orange clownfish (Amphiprion percula) living in association with a Haddon's sea anemone (Stichodactyla haddoni), Marovo Lagoon, Solomon Islands.  -  Fred  Olivier
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Fred Olivier / Orange clownfish (Amphiprion percula) living in association with a Haddon's sea anemone (Stichodactyla haddoni), Marovo Lagoon, Solomon Islands.
Clark's anemonefish (Amphiprion clarkii) and Three spot damselfish (Dascyllus trimaculatus) swimming around anemone (Stichodactyla), Nusatupe Lagoon, Solomon Islands.  -  Fred  Olivier
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Fred Olivier / Clark's anemonefish (Amphiprion clarkii) and Three spot damselfish (Dascyllus trimaculatus) swimming around anemone (Stichodactyla), Nusatupe Lagoon, Solomon Islands.
Close-up of a Common jellyfish (Aurelia aurita), Prince William Sound, Alaska, USA.  -  Fred  Olivier
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Fred Olivier / Close-up of a Common jellyfish (Aurelia aurita), Prince William Sound, Alaska, USA.
Jellyfish (Catostylus sp.) swimming in a slick of plastic debris. Turtles feed on jellies such as these and this photo shows how easily they can get confused and feed on plastic instead. Indian Ocean...  -  Alex Mustard
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Alex Mustard / Jellyfish (Catostylus sp.) swimming in a slick of plastic debris. Turtles feed on jellies such as these and this photo shows how easily they can get confused and feed on plastic instead. Indian Ocean...
Jellyfish (Catostylus sp.) swims beneath a slick of plastic debris. Indian Ocean off Sri Lanka. Highly commended in the Environmental Report section, Montphoto competition  2019  -  Alex Mustard
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Alex Mustard / Jellyfish (Catostylus sp.) swims beneath a slick of plastic debris. Indian Ocean off Sri Lanka. Highly commended in the Environmental Report section, Montphoto competition 2019
Split level image of Leather corals (Sarcophyton sp.) flourishing in shallow water close to uninhabited coral islands. Misool, Raja Ampat, West Papua, Indonesia. Ceram Sea. Tropical West Pacific Ocean...  -  Alex Mustard
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Alex Mustard / Split level image of Leather corals (Sarcophyton sp.) flourishing in shallow water close to uninhabited coral islands. Misool, Raja Ampat, West Papua, Indonesia. Ceram Sea. Tropical West Pacific Ocean...
Three Pink anemonefish (Amphiprion perideraion) living in a purple skirted magnificent sea anemone (Heteractis magnifica) on a coral reef, below a small island. Misool, Raja Ampat, West Papua, Indones...  -  Alex Mustard
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Alex Mustard / Three Pink anemonefish (Amphiprion perideraion) living in a purple skirted magnificent sea anemone (Heteractis magnifica) on a coral reef, below a small island. Misool, Raja Ampat, West Papua, Indones...
Midnight snapper (Macolor macularis) shelters in a cavern on a coral reef with white soft corals (Scleronephthya sp.) and solderfish. Vavuu Atoll, Maldives. Indian Ocean  -  Alex Mustard
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Alex Mustard / Midnight snapper (Macolor macularis) shelters in a cavern on a coral reef with white soft corals (Scleronephthya sp.) and solderfish. Vavuu Atoll, Maldives. Indian Ocean
Pair of Western clown anemonefish (Amphiprion ocellaris) spawning orange eggs on the rock beneath their Magnificent sea anemone (Heteractis magnifica) home on a coral reef. This photo shows the larger...  -  Alex Mustard
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Alex Mustard / Pair of Western clown anemonefish (Amphiprion ocellaris) spawning orange eggs on the rock beneath their Magnificent sea anemone (Heteractis magnifica) home on a coral reef. This photo shows the larger...
Primnoella soft coral, Antarctic Peninsula, Antarctica.  -  Jordi Chias
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Jordi Chias / Primnoella soft coral, Antarctic Peninsula, Antarctica.
A group of frilled anemones (Metridium senile) off Bonaventure Island in the Gulf of Saint Lawrence, Quebec, Canada. September.  -  Nick Hawkins
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Nick Hawkins / A group of frilled anemones (Metridium senile) off Bonaventure Island in the Gulf of Saint Lawrence, Quebec, Canada. September.
False clown anemonefish (Amphiprion ocellaris) in a magnificent sea anemone (Heteractis magnifica), Sulu sea, Philippines  -  Pascal Kobeh
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Pascal Kobeh / False clown anemonefish (Amphiprion ocellaris) in a magnificent sea anemone (Heteractis magnifica), Sulu sea, Philippines
Orange jewel anemones (Corynactis viridis) Sula Sgeir, Scotland, UK, February.  -  SCOTLAND: The Big Picture
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SCOTLAND: The Big Picture / Orange jewel anemones (Corynactis viridis) Sula Sgeir, Scotland, UK, February.
Dead man's fingers (Alcyonium digitatum) on a rocky reef with view of the sky, Shetland, Scotland, UK, August.  -  SCOTLAND: The Big Picture
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SCOTLAND: The Big Picture / Dead man's fingers (Alcyonium digitatum) on a rocky reef with view of the sky, Shetland, Scotland, UK, August.
Close up of a colony of Jewel anemones (Corynactis viridis) Scotland, UK, October.  -  SCOTLAND: The Big Picture
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SCOTLAND: The Big Picture / Close up of a colony of Jewel anemones (Corynactis viridis) Scotland, UK, October.
Jellyfish (Pelagia noctiluca) amongst plankton , Shetland Isles, Scotland.  -  SCOTLAND: The Big Picture
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SCOTLAND: The Big Picture / Jellyfish (Pelagia noctiluca) amongst plankton , Shetland Isles, Scotland.
Elkhorn corals (Acropora palmata) at night silhouetted by a scientist's light during the annual coral spawn. Abaco, Bahamas.  -  Shane Gross
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Shane Gross / Elkhorn corals (Acropora palmata) at night silhouetted by a scientist's light during the annual coral spawn. Abaco, Bahamas.
Caribbean reef shark (Carcharhinus perezi) patrolling coral reef with Schoolmaster snapper (Lutjanus apodus) and other fish. Caribbean Sea off Gardens of the Queen National Park, Cuba.  -  Shane Gross
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Shane Gross / Caribbean reef shark (Carcharhinus perezi) patrolling coral reef with Schoolmaster snapper (Lutjanus apodus) and other fish. Caribbean Sea off Gardens of the Queen National Park, Cuba.
Colonial anemones (Amphianthus nitidus) with Green urn sea squirts (Didemnum molle) (Atriolum robustum). Lembeh Strait, North Sulawesi, Indonesia.  -  Georgette Douwma
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Georgette Douwma / Colonial anemones (Amphianthus nitidus) with Green urn sea squirts (Didemnum molle) (Atriolum robustum). Lembeh Strait, North Sulawesi, Indonesia.
Corkscrew or Long tentacle anemone (Macrodactyla doreensis). Lembeh Strait, North Sulawesi, Indonesia.  -  Georgette Douwma
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Georgette Douwma / Corkscrew or Long tentacle anemone (Macrodactyla doreensis). Lembeh Strait, North Sulawesi, Indonesia.
Banggai cardinalfish (Pterapogon kauderni) with a Corkscrew or Long tentacle anemone (Macrodactyla doreensis). Lembeh Strait, North Sulawesi, Indonesia.  -  Georgette Douwma
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Georgette Douwma / Banggai cardinalfish (Pterapogon kauderni) with a Corkscrew or Long tentacle anemone (Macrodactyla doreensis). Lembeh Strait, North Sulawesi, Indonesia.
Sugar kelp (Saccharina latissima) and Sea anemones (Actiniaria) on rock near iceberg. Tasiilaq, East Greenland. April.  -  Franco  Banfi
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Franco Banfi / Sugar kelp (Saccharina latissima) and Sea anemones (Actiniaria) on rock near iceberg. Tasiilaq, East Greenland. April.
Bleached Staghorn corals (Acropora cervicornis), Great Barrier Reef, Australia, 2017.  -  Jurgen Freund
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Jurgen Freund / Bleached Staghorn corals (Acropora cervicornis), Great Barrier Reef, Australia, 2017.
Timelapse of a Scolymia coral (Mussidae) feeding, lit with a UV light, Cairns, North Queensland, Australia.  -  Jurgen Freund
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Jurgen Freund / Timelapse of a Scolymia coral (Mussidae) feeding, lit with a UV light, Cairns, North Queensland, Australia.
Clark's anemonefish (Amphiprion clarkii), pair tending to egg mass placed beside the protection of an anemone. Yap, Micronesia.  -  David Fleetham
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David Fleetham / Clark's anemonefish (Amphiprion clarkii), pair tending to egg mass placed beside the protection of an anemone. Yap, Micronesia.
Bargibant's pygmy seahorse (Hippocampus bargibanti) wrapped around Eye fan coral (Cnidaria sp). Philippines.  -  David Fleetham
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David Fleetham / Bargibant's pygmy seahorse (Hippocampus bargibanti) wrapped around Eye fan coral (Cnidaria sp). Philippines.
Three False clownfish (Amphiprion ocellaris) in Sea anemone (Heteractis magnifica) Lighthouse Reef, Cabilao Island, Bohol, Central Visayas, Philippines, Pacific Ocean.  -  Franco  Banfi
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Franco Banfi / Three False clownfish (Amphiprion ocellaris) in Sea anemone (Heteractis magnifica) Lighthouse Reef, Cabilao Island, Bohol, Central Visayas, Philippines, Pacific Ocean.
Wave breaking over the reef, Table coral (Acropora) Safaga, Egypt, Red Sea.  -  Jordi Chias
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Jordi Chias / Wave breaking over the reef, Table coral (Acropora) Safaga, Egypt, Red Sea.
Red Sea anemonefish (Amphiprion bicinctus) in their home, a Sea anemone (Heteractis magnifica), on a coral reef. Big Brother island, Red Sea. Egypt.  -  Jordi Chias
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Jordi Chias / Red Sea anemonefish (Amphiprion bicinctus) in their home, a Sea anemone (Heteractis magnifica), on a coral reef. Big Brother island, Red Sea. Egypt.
Pink anemonefish (Amphiprion perideraion) lives in symbiotic association with Magnificent sea anemone (Heteractis magnifica) Great Barrier Reef, Australia, Pacific Ocean  -  Brandon Cole
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Brandon Cole / Pink anemonefish (Amphiprion perideraion) lives in symbiotic association with Magnificent sea anemone (Heteractis magnifica) Great Barrier Reef, Australia, Pacific Ocean
RF - High magnification photo of Secretary blenny (Acanthemblemaria maria) in boulder brain coral (Colpophyllia natans). East End, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea. (Th...  -  Alex Mustard
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Alex Mustard / RF - High magnification photo of Secretary blenny (Acanthemblemaria maria) in boulder brain coral (Colpophyllia natans). East End, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea. (Th...
Hawksbill turtle (Eretmochelys imbricata) male chomps on soft coral. Jackson Reef, Sinai, Egypt. Strait of Tiran, Red Sea.  -  Alex Mustard
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Alex Mustard / Hawksbill turtle (Eretmochelys imbricata) male chomps on soft coral. Jackson Reef, Sinai, Egypt. Strait of Tiran, Red Sea.
A stand of Pillar coral (Dendrogyra cylindrus) growing on a coral reef, East End, Grand Cayman, Cayman Islands  -  Alex Mustard
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Alex Mustard / A stand of Pillar coral (Dendrogyra cylindrus) growing on a coral reef, East End, Grand Cayman, Cayman Islands
Siphonophore (Nanomia sp) close up of nectophores, and palpons. Gulf of  Maine, Atlanic Ocean. Epipelagic species found up to 300m depth.  -  David  Shale
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David Shale / Siphonophore (Nanomia sp) close up of nectophores, and palpons. Gulf of Maine, Atlanic Ocean. Epipelagic species found up to 300m depth.
Spotted catshark (Scyliorhinus canicula) just hatched from egg case that is on Seafan (Paramuricea clavata), Ullastres seamount, Costa Brava, Llafranch, Catalunya, Spain  -  Jordi Chias
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Jordi Chias / Spotted catshark (Scyliorhinus canicula) just hatched from egg case that is on Seafan (Paramuricea clavata), Ullastres seamount, Costa Brava, Llafranch, Catalunya, Spain
Boulder brain coral (Colpophyllia natans) photographed with a long exposure with camera rotation. Taken with circular fisheye lens. Grand Cayman, Cayman Islands. Caribbean Sea.  -  Alex Mustard
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Alex Mustard / Boulder brain coral (Colpophyllia natans) photographed with a long exposure with camera rotation. Taken with circular fisheye lens. Grand Cayman, Cayman Islands. Caribbean Sea.
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