5456 results for: cnidarians

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Colourful intact coral reef with Caribbean horn coral (Eunicea mammosa) on the left foreground

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Colourful intact coral reef with Caribbean horn co...

Red scorpionfish (Scorpaena scrofa), sea sow, on a reef covered with algae in the deep blue

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Red scorpionfish (Scorpaena scrofa), sea sow, on a...

Underwater photo of diver looking at red fan coral (Thesea rubra) Red fan gorgonian horn coral in

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Underwater photo of diver looking at red fan coral...

Underwater photo of Black coral (Antipathes dichotoma) growing on steep wall drop off of coral

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Underwater photo of Black coral (Antipathes dichot...

Diver looks at illuminated swarm of glassfish (Parapriacanthus guentheri) Hatchet fish swimming

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Diver looks at illuminated swarm of glassfish (Par...

A conger eel (Conger conger) hides between colourful false corals and rocks in the Mediterranean

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A conger eel (Conger conger) hides between colourf...

Diver underwater exploring Violescent sea-whip (Paramuricea clavata) on a rock in the Mediterranean

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Diver underwater exploring Violescent sea-whip (Pa...

Large fan coral (Gorgonia flabellum) horn coral in Caribbean coral reef, in the background

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Large fan coral (Gorgonia flabellum) horn coral in...

Egg of large spotted catshark (Scyliorhinus stellaris) on white gorgonian (Eunicella singularis),

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Egg of large spotted catshark (Scyliorhinus stella...

Colourful corals, yellow gorgonian (Eunicella cavolinii), on a steep wall under water, diver in the

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Colourful corals, yellow gorgonian (Eunicella cavo...

Underwater photo Diver observing symbiotic behaviour of orangeback white anemonefish (Amphiprion

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Underwater photo Diver observing symbiotic behavio...

Diver looking at steep rock face of lava rock reef with colony of Macaronesian encrusting anemone

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Diver looking at steep rock face of lava rock reef...

Diver exploring a derelict shipwreck in calm, clear water. Dive site wreck Le Donator, Giens

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Diver exploring a derelict shipwreck in calm, clea...

Diver examines an underwater wreck covered with sea sponges in bright blue water in the

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Diver examines an underwater wreck covered with se...

Close-up of Mediterranean sea strawberry (Aplidium elegans), sea silk, with round pattern in the

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Close-up of Mediterranean sea strawberry (Aplidium...

Mother pointing at fish in large aquarium tank, sharing educational moment with her son, promoting

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Mother pointing at fish in large aquarium tank, sh...

On the coral surface, next to two neatly sliced slices, there is a whole orange. Sunlight casts

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On the coral surface, next to two neatly sliced sl...

Giant green sea anemone showing its beautiful tentacles in aquarium, creating a mesmerizing

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Giant green sea anemone showing its beautiful tent...

On the coral surface, next to two neatly sliced slices, there is a whole orange. Sunlight casts

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On the coral surface, next to two neatly sliced sl...

Giant green sea anemone anthopleura xanthogrammica growing on a rock in a large aquarium with other

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Giant green sea anemone anthopleura xanthogrammica...

Diver exploring a colourful shipwreck with a torch in her hand. Dive site wreck Michel C, Giens

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Diver exploring a colourful shipwreck with a torch...

Child's finger pointing at a vibrant green sea anemone in a shallow touch tank filled with marine

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Child's finger pointing at a vibrant green sea ane...

Child's hand reaches into a tide pool aquarium, gently touching a rock amidst sea anemones, sea

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Child's hand reaches into a tide pool aquarium, ge...

Diver explores a purple coral, color-changing gorgony (Paramuricea clavata), overgrown underwater

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Diver explores a purple coral, color-changing gorg...

On the coral surface, next to two neatly sliced slices, there is a whole orange. Sunlight casts

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On the coral surface, next to two neatly sliced sl...

Mother and son are enjoying a day at the aquarium, marveling at the colorful fish and other marine

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Mother and son are enjoying a day at the aquarium,...

Fire jellyfish on the beach, Scharbeutz, 27.11.2025. Fire jellyfish can cause painful skin

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Fire jellyfish on the beach, Scharbeutz, 27.11.202...

Mother pointing at marine life in a touch tank, sharing an educational moment with her son at an

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Mother pointing at marine life in a touch tank, sh...

Mother pointing at fish tank, sharing educational moment with her son at the aquarium, fostering

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Mother pointing at fish tank, sharing educational ...

Demonstration of Extinction Rebellion to mark the 10th anniversary of the Paris Agreement and to

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Demonstration of Extinction Rebellion to mark the ...

Xenia Seeberger at the Red Carpet Photocall by SONG SUNG BLUE at Zoo Palast Berlin on 19.11.2025

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Xenia Seeberger at the Red Carpet Photocall by SON...

Underwater photo of Caribbean horn coral (Eunicella racemosa) Horn coral species growing in intact

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Underwater photo of Caribbean horn coral (Eunicell...

A light green antler coral reefass (Amblyglyphidodon curacao) swims in coral reefs. Close

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A light green antler coral reefass (Amblyglyphidod...

A striped fish, sash snapper (Scolopsis bilineata), swims over corals. Dive site Spice Reef,

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A striped fish, sash snapper (Scolopsis bilineata)...

Jellyfish, compass jellyfish (Chrysaora hysoscella), Ozeaneum, Hanseatic City of Stralsund,

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Jellyfish, compass jellyfish (Chrysaora hysoscella...

A small red fish, Spotted Coral Guardian (Cirrhitichthys oxycephalus), rests on a sea sponge. Close

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A small red fish, Spotted Coral Guardian (Cirrhiti...

A spiny devil fish (Inimicus didactylus), well camouflaged, lies hidden in the sand. Dive site

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A spiny devil fish (Inimicus didactylus), well cam...

Small, black and white damselfish, blackbanded damselfish (Pycnochromis retrofasciatus), swimming

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Small, black and white damselfish, blackbanded dam...

Interior of a shipwreck with windows, gorgonians and fish in a dark atmosphere. Dive site wreck Le

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Interior of a shipwreck with windows, gorgonians a...

A spiny devil fish (Inimicus didactylus) camouflages itself perfectly in the sandy and rocky seabed

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A spiny devil fish (Inimicus didactylus) camouflag...

Soft corals (Sclerophytum lamellatum), Ozeaneum, Hanseatic City of Stralsund, Mecklenburg-Western

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Soft corals (Sclerophytum lamellatum), Ozeaneum, H...

Rusty shipwreck overgrown with Violescent sea-whips (Paramuricea clavata), surrounded by a school

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Rusty shipwreck overgrown with Violescent sea-whip...

A yellow fish with camouflage pattern, rocking fish (Taenianotus triacanthus), between corals. Dive

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A yellow fish with camouflage pattern, rocking fis...

A camouflaged filefish with a fascinating pattern, jewellery filefish (Chaetodermis

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A camouflaged filefish with a fascinating pattern,...

Red fish, velvet anemonefish, spiny anemonefish (Amphiprion biaculeatus), between green and brown

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Red fish, velvet anemonefish, spiny anemonefish (A...

Orange skunk clownfish with white stripes, velvet anemonefish, spiny anemonefish (Amphiprion

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Orange skunk clownfish with white stripes, velvet ...

Sea anemone (Metridium senile), Ozeaneum, Hanseatic City of Stralsund, Mecklenburg-Western

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Sea anemone (Metridium senile), Ozeaneum, Hanseati...

Marine snail with soft brown shadings, the magnificent star snail (Hypselodoris tryoni), on a coral

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Marine snail with soft brown shadings, the magnifi...

False Black coral (Savalia savaglia) Crust anemone Gold coral synonym (Gerardia savaglia) grows on

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False Black coral (Savalia savaglia) Crust anemone...

Jellyfish, compass jellyfish (Chrysaora hysoscella), Ozeaneum, Hanseatic City of Stralsund,

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Jellyfish, compass jellyfish (Chrysaora hysoscella...

Sea anemones (Actiniaria), Ozeaneum, Hanseatic City of Stralsund, Mecklenburg-Western Pomerania,

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Sea anemones (Actiniaria), Ozeaneum, Hanseatic Cit...

Divers explore a shipwreck surrounded by colourful Violescent sea-whips (Paramuricea clavata) and

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Divers explore a shipwreck surrounded by colourful...

Violescent sea-whips (Paramuricea clavata) grow on a shipwreck under clear blue water. Dive site

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Violescent sea-whips (Paramuricea clavata) grow on...

Fish with a distinctive pattern, saddle point pufferfish (Canthigaster valentini), swimming over

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Fish with a distinctive pattern, saddle point puff...

Red fish, velvet anemonefish, spiny anemonefish (Amphiprion biaculeatus), hiding between the

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Red fish, velvet anemonefish, spiny anemonefish (A...

Jellyfish, moon jellyfish (Aurelia aurita) in the Ozeaneum, Hanseatic city of Stralsund,

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Jellyfish, moon jellyfish (Aurelia aurita) in the ...

Large overgrown propeller of a shipwreck rises in front of blue water. Dive site wreck Michel C,

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Large overgrown propeller of a shipwreck rises in ...

A fish, rocking fish (Taenianotus triacanthus), is well camouflaged on a soft coral. Dive site

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A fish, rocking fish (Taenianotus triacanthus), is...

Underwater photo extreme close-up of two nudibranchs Bullocks Hypselodoris (Hypselodoris bullockii)

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Underwater photo extreme close-up of two nudibranc...

Inner part of a shipwreck with schools of fish in the underwater world. Dive site wreck Michel C,

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Inner part of a shipwreck with schools of fish in ...

Two divers explore an overgrown shipwreck in deep blue water. Dive site wreck Le Donator, Giens

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Two divers explore an overgrown shipwreck in deep ...

Purple overgrown shipwreck surrounded by a school of fish in the deep ocean. Dive site wreck Le

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Purple overgrown shipwreck surrounded by a school ...

A fish with complex patterns, seagrass filefish (Acreichthys tomentosus), surrounded by corals and

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A fish with complex patterns, seagrass filefish (A...

Camouflaged fish, rocking fish (Taenianotus triacanthus) in a soft coral. Dive site Pidada,

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Camouflaged fish, rocking fish (Taenianotus triaca...

Fish with dark, textured scales, black-eyed fatlip (Hemigymnus melapterus), swimming near a reef.

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Fish with dark, textured scales, black-eyed fatlip...

Filigree cylinder rose (Cerianthus filiformis), Ozeaneum, Hanseatic City of Stralsund,

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Filigree cylinder rose (Cerianthus filiformis), Oz...

A bigeye snapper (monotaxis heterodon), snapper, swims close to the bottom of the sea. USAT Liberty

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A bigeye snapper (monotaxis heterodon), snapper, s...

Two false clownfish (Amphiprion ocellaris) swim between the tentacles of a sea anemone in the coral

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Two false clownfish (Amphiprion ocellaris) swim be...

Debris of a shipwreck with bright colours and migrating fish. Dive site wreck Michel C, Giens

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Debris of a shipwreck with bright colours and migr...

Numerous colourful fish, Mediterranean flagfish (Anthias anthias), swim around an old shipwreck

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Numerous colourful fish, Mediterranean flagfish (A...

Masked Nose Surgeonfish (Naso vlamingii) Large-nosed Surgeonfish swimming over colourful coral

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Masked Nose Surgeonfish (Naso vlamingii) Large-nos...

A pale-coloured fish, rocking fish (Taenianotus triacanthus), rests on coral. Dive site Pidada,

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A pale-coloured fish, rocking fish (Taenianotus tr...

A well-camouflaged fish, a rocking fish (Taenianotus triacanthus), lurks for prey in a giant fan

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A well-camouflaged fish, a rocking fish (Taenianot...

Red fish, velvet anemonefish, spiny anemonefish (Amphiprion biaculeatus), in the middle of a sea

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Red fish, velvet anemonefish, spiny anemonefish (A...

A white fish, rocking fish (Taenianotus triacanthus), rests between colourful corals on the seabed.

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A white fish, rocking fish (Taenianotus triacanthu...

A colourful pufferfish with a striking pattern, saddle point pufferfish (Canthigaster valentini),

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A colourful pufferfish with a striking pattern, sa...

A blue and yellow golden reeffish (Amblyglyphidodon aureus) swims in front of a coral formation.

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A blue and yellow golden reeffish (Amblyglyphidodo...

Violescent sea-whip (Paramuricea clavata) growing on a shipwreck in blue water full of marine life.

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Violescent sea-whip (Paramuricea clavata) growing ...

Aloe striata, coral aloe, flower, flowering, Karoo Desert Botanic Garden, Worcester, Western Cape,

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Aloe striata, coral aloe, flower, flowering, Karoo...

A yellow camouflaged fish, rocking fish (Taenianotus triacanthus), rests on corals. Dive site

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A yellow camouflaged fish, rocking fish (Taenianot...

A well-camouflaged spiny devil fish (Inimicus didactylus) rests on the sandy and rocky seabed. Dive

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A well-camouflaged spiny devil fish (Inimicus dida...

Golden reeffish (Amblyglyphidodon aureus) juvenile move between red coral branches

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Golden reeffish (Amblyglyphidodon aureus) juvenile...

A false clownfish (Amphiprion ocellaris) swims between the living tentacles of a sea anemone. Close

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A false clownfish (Amphiprion ocellaris) swims bet...

Rusty shipwreck in deep blue water. Dive site wreck Le Grecq, Giens peninsula, Mediterranean Sea,

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Rusty shipwreck in deep blue water. Dive site wrec...

A small sand perch, blackspotted sand perch (Parapercis millepunctata), rests next to a large blue

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A small sand perch, blackspotted sand perch (Parap...

A camouflaged spiny devil fish (Inimicus didactylus) lies almost invisible on the sandy seabed.

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A camouflaged spiny devil fish (Inimicus didactylu...

Blacktip reef shark over the corals of Fakarava, South Seas, Tahiti, French Polynesia

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Blacktip reef shark over the corals of Fakarava, S...

Part of a rusty shipwreck on the seabed surrounded by Violescent sea-whips (Paramuricea clavata)

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Part of a rusty shipwreck on the seabed surrounded...

Violescent sea-whip (Paramuricea clavata) growing on a shipwreck. Diver in the background. Many

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Violescent sea-whip (Paramuricea clavata) growing ...

A bright red fish, black-bellied goby (Eviota atriventris), swims in colourful corals. Dive site

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A bright red fish, black-bellied goby (Eviota atri...

A well-camouflaged spiny devil fish (Inimicus didactylus) lies on the sandy seabed. Dive site

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A well-camouflaged spiny devil fish (Inimicus dida...

Camouflaged fish, rocking fish (Taenianotus triacanthus), almost invisible between colourful corals

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Camouflaged fish, rocking fish (Taenianotus triaca...

A large propeller of a shipwreck overgrown with Violescent sea-whip (Paramuricea clavata)

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A large propeller of a shipwreck overgrown with Vi...

Overgrown rotating wheel in a mysterious shipwreck. Dive site wreck Le Donator, Giens peninsula,

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Overgrown rotating wheel in a mysterious shipwreck...

Extreme close-up underwater photo of pygmy seahorse (Hippocampus bargibant) in gorgonian (Muricella

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Extreme close-up underwater photo of pygmy seahors...

A black and white fish, Horned bannerfish (Heniochus varius), swims in a lively underwater area.

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A black and white fish, Horned bannerfish (Henioch...

A fish with a striking black and white pattern, saddle spot anemonefish (Amphiprion polymnus),

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A fish with a striking black and white pattern, sa...

A large web moray eel (Gymnothorax favagineus) moves between corals and pink sponges. Spice Reef

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A large web moray eel (Gymnothorax favagineus) mov...

Violescent sea-whips (Paramuricea clavata) and fish surround a curved lifting arm under water. Dive

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Violescent sea-whips (Paramuricea clavata) and fis...

Museum installation, ca. 1920s, coral reef with various corals such as Acropora species and vase

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Museum installation, ca. 1920s, coral reef with va...

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