4946 results for: cnidarians

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Close-up of a bubble anemone (Entacmaea quadricolor) with detailed tentacles. Dive site Toyapakeh,

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Close-up of a bubble anemone (Entacmaea quadricolo...

Various pink and purple-coloured specimens of spiny tube sponge (Callyspongia (Cladochalina)

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Various pink and purple-coloured specimens of spin...

Diverse underwater reef with table coral (Acropora hyacinthus) . Dive site Toyapakeh, Nusa

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Diverse underwater reef with table coral (Acropora...

Filigree red coral structure, Godeffroy's soft coral (Siphonogorgia godeffroyi), rises in a

BRK25J51_126

Filigree red coral structure, Godeffroy's soft cor...

Detailed close-up of white polyps with fine structure of tree coral (Dendronephthya) . Dive site

BRK25J51_136

Detailed close-up of white polyps with fine struct...

Diver next to colourful corals and spiny tube sponge (Callyspongia (Cladochalina) aerizusa) on the

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Diver next to colourful corals and spiny tube spon...

Elegant table coral (Acropora hyacinthus) in blue sea water. Dive site Spice Reef, Penyapangan,

BRK25J51_209

Elegant table coral (Acropora hyacinthus) in blue ...

Beige coral with fine structures, mushroom leather coral (Sarcophyton glaucum), in an underwater

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Beige coral with fine structures, mushroom leather...

Bright orange tree coral (Dendronephthya) on a reef under water. Dive site Toyapakeh, Nusa

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Bright orange tree coral (Dendronephthya) on a ree...

A magnificent orange-coloured soft coral, Klunzinger's Soft Coral (Dendronephthya klunzingeri), in

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A magnificent orange-coloured soft coral, Klunzing...

Varied colourful corals and spiny tube sponge (Callyspongia (Cladochalina) aerizusa) on a lively

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Varied colourful corals and spiny tube sponge (Cal...

Large yellowish coral structure, mushroom leather coral (Sarcophyton glaucum), in the blue ocean

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Large yellowish coral structure, mushroom leather ...

Light pink tree coral (Dendronephthya) under water on the seabed. Dive site Spice Reef,

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Light pink tree coral (Dendronephthya) under water...

Large spiny tube sponge (Callyspongia (Cladochalina) aerizusa) on the seabed. Dive site Prapat,

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Large spiny tube sponge (Callyspongia (Cladochalin...

Detailed view of white sponge (Petromica massalis), sea sponge. Dive site Prapat, Penyapangan,

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Detailed view of white sponge (Petromica massalis)...

Close-up of tree coral (Dendronephthya) with fine details in the sea. Dive site Prapat,

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Close-up of tree coral (Dendronephthya) with fine ...

Cluster of green transparent sea squirts, Robust Reef Sea Squirt (Atriolum robustum) juvenile, on a

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Cluster of green transparent sea squirts, Robust R...

Outstanding pink tree coral (Dendronephthya) in a natural underwater environment. Dive site Magic

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Outstanding pink tree coral (Dendronephthya) in a ...

Dense shrub gorgonian (Ellisella ceratophyta), close-up under water. Dive site Spice Reef,

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Dense shrub gorgonian (Ellisella ceratophyta), clo...

Close-up of the complex patterns of a bulging coral (Open brain coral), stony coral. Dive site

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Close-up of the complex patterns of a bulging cora...

Bright orange tree coral (Dendronephthya) against a dark background in the sea. Dive site SD, Nusa

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Bright orange tree coral (Dendronephthya) against ...

Underwater photo of mushroom leather coral (Sarcophyton glaucum) in a calm sea depth. Dive site

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Underwater photo of mushroom leather coral (Sarcop...

Red bush gorgonian (Ellisella ceratophyta) towering in front of a blue seabed. Dive site Coral

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Red bush gorgonian (Ellisella ceratophyta) towerin...

Detailed view of a bulging coral (Open brain coral) on the seabed. Dive site Prapat, Penyapangan,

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Detailed view of a bulging coral (Open brain coral...

Hyacinth Table Coral (Acropora hyacinthus) presents itself on an underwater rock. Dive site Spice

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Hyacinth Table Coral (Acropora hyacinthus) present...

Colourful coral reef with Black coral (Antipathes dichotoma) and blue background in the sea. Dive

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Colourful coral reef with Black coral (Antipathes ...

Red knotted fan (Melithaea ochracea) stands out against the shimmering blue water. Dive site Coral

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Red knotted fan (Melithaea ochracea) stands out ag...

Dark background with orange coloured Black coral (Antipathes dichotoma) . Dive site wreck of the

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Dark background with orange coloured Black coral (...

Red knotted fan (Melithaea ochracea) in a colourful underwater landscape. Dive site SD, Nusa

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Red knotted fan (Melithaea ochracea) in a colourfu...

Hyacinth Table Coral (Acropora hyacinthus) with surrounding corals in a colourful reef. Dive site

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Hyacinth Table Coral (Acropora hyacinthus) with su...

Close-up of Godeffroy's soft coral (Siphonogorgia godeffroyi) and fish, revealing a rich marine

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Close-up of Godeffroy's soft coral (Siphonogorgia ...

Copper anemone (Entacmaea quadricolor) spreads out over a colourful coral garden floor. Dive site

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Copper anemone (Entacmaea quadricolor) spreads out...

A Barrel sponge (Xestospongia testudinaria) rises majestically in clear blue water. Dive site SD,

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A Barrel sponge (Xestospongia testudinaria) rises ...

School of small fish swimming around large giant fan coral (Annella mollis) . Dive site Sweet Reef,

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School of small fish swimming around large giant f...

A bright orange Black coral (Antipathes dichotoma) can be seen in the lively coral reef. Dive site

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A bright orange Black coral (Antipathes dichotoma)...

A lush red knotted fan (Melithaea ochracea) forms a lively contrast to the seabed. Dive site

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A lush red knotted fan (Melithaea ochracea) forms ...

Hyacinth Table Coral (Acropora hyacinthus) in the sea surrounded by smaller fish. Dive site SD,

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Hyacinth Table Coral (Acropora hyacinthus) in the ...

Eye-catching pink coral, Godeffroy's soft coral (Siphonogorgia godeffroyi), attracts in contrast to

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Eye-catching pink coral, Godeffroy's soft coral (S...

Soft coral with orange and white tentacles, orange tree coral (Dendronephthya), against a dark

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Soft coral with orange and white tentacles, orange...

Dominant giant fan coral (Annella mollis) protrudes from an underwater rock. Dive site Coral

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Dominant giant fan coral (Annella mollis) protrude...

Orange Black coral (Antipathes dichotoma) in contrast to the dark underwater environment. Dive site

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Orange Black coral (Antipathes dichotoma) in contr...

A large red knotted fan (Melithaea ochracea) spreads out in the clear blue water. Dive site SD,

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A large red knotted fan (Melithaea ochracea) sprea...

Lively underwater reef with table coral (Acropora hyacinthus) and colourful fish against a blue

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Lively underwater reef with table coral (Acropora ...

Dense white coral polyps of Godeffroy's soft coral (Siphonogorgia godeffroyi) form an impressive

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Dense white coral polyps of Godeffroy's soft coral...

Brown tube sponge (Porifera) protrudes from the seabed in a blue underwater scene. Dive site SD,

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Brown tube sponge (Porifera) protrudes from the se...

Divers explore a colourful coral reef with Klunzinger's tree coral (Dendronephthya klunzingeri) .

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Divers explore a colourful coral reef with Klunzin...

A magnificent red knotted fan (Melithaea ochracea) in the middle of a lively coral reef in blue sea

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A magnificent red knotted fan (Melithaea ochracea)...

Underwater photograph of robust reef sea squirt (Atriolum robustum) on coral surface. Dive site SD,

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Underwater photograph of robust reef sea squirt (A...

Red knotted fan (Melithaea ochracea) with black feather stars on the seabed. Dive site Close

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Red knotted fan (Melithaea ochracea) with black fe...

A large sea turtle, Loggerhead sea turtle (Caretta caretta), rests on a sandy seabed. Dive site

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A large sea turtle, Loggerhead sea turtle (Caretta...

Group of Blue Sea Squirts (Clavelina coerulea) surrounded by corals in the ocean. Dive site Prapat,

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Group of Blue Sea Squirts (Clavelina coerulea) sur...

Detailed image of red coral branches of Godeffroy's soft coral (Siphonogorgia godeffroyi) with

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Detailed image of red coral branches of Godeffroy'...

Brown tube sponge (Porifera) in the centre of the underwater landscape under a deep blue ocean

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Brown tube sponge (Porifera) in the centre of the ...

Underwater coral nursery to promote reef growth. Dive site SD, Nusa Ceningan, Nusa Penida, Bali,

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Underwater coral nursery to promote reef growth. D...

Close-up of green tubular organisms, robust reef squirt (Atriolum robustum), on coral. Dive site

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Close-up of green tubular organisms, robust reef s...

Large red knot fan (Melithaea ochracea) anchored on a reef in deep blue water. Dive site Crystal

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Large red knot fan (Melithaea ochracea) anchored o...

Beautiful red knotted fan (Melithaea ochracea) stretches over a rocky reef. Dive site Pidada,

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Beautiful red knotted fan (Melithaea ochracea) str...

Bright red starfish with white markings, orange-spotted starfish (Ferdina sadhaensis), on coral

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Bright red starfish with white markings, orange-sp...

Close-up of mushroom coral (Fungia fungites) in brown and beige. Dive site Gondol Bay, Gondol,

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Close-up of mushroom coral (Fungia fungites) in br...

Two large curved soft corals, mushroom leather coral (Sarcophyton glaucum), on the seabed. Dive

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Two large curved soft corals, mushroom leather cor...

Large pink Godeffroy's soft coral (Siphonogorgia godeffroyi) in the deep blue sea, surrounded by

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Large pink Godeffroy's soft coral (Siphonogorgia g...

Flowering red tree coral (Dendronephthya) with detailed structures. Dive site Twin Reef,

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Flowering red tree coral (Dendronephthya) with det...

Lush pink coral formation on the seabed. Dive site SD, Nusa Ceningan, Nusa Penida, Bali, Indonesia

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Lush pink coral formation on the seabed. Dive site...

Red knotted fan (Melithaea ochracea) rises up in the deep ocean. Dive site Toyapakeh, Nusa

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Red knotted fan (Melithaea ochracea) rises up in t...

Orange sea anemone with long tentacles, false plum anemone (Pseudactinia varia), on the seabed.

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Orange sea anemone with long tentacles, false plum...

White nudibranch with yellow dots, magnificent star snail (Hypselodoris ghardaqana), resting on

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White nudibranch with yellow dots, magnificent sta...

Yellow soft curved coral, mushroom leather coral (Sarcophyton glaucum) under deep blue water. Dive

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Yellow soft curved coral, mushroom leather coral (...

Green Urn Sea Squirt (Didemnum molle) in a lively coral landscape. Dive site Toyapakeh, Nusa

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Green Urn Sea Squirt (Didemnum molle) in a lively ...

Fine pink mat sea squirt (Didemnum membranaceum), sea squirt hanging in deep water. Dive site

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Fine pink mat sea squirt (Didemnum membranaceum), ...

Diver exploring a giant fan coral (Annella mollis) underwater. Dive site Coral Garden, Menjangan,

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Diver exploring a giant fan coral (Annella mollis)...

Delicate red and white star-shaped polyps of red knot fan (Melithaea ochracea) at close range. Dive

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Delicate red and white star-shaped polyps of red k...

Large orange soft coral under water with deep background. Dive site SD, Nusa Ceningan, Nusa Penida,

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Large orange soft coral under water with deep back...

Filigree structure of a branch of Yellow gorgonian (Echinogorgia) in deep blue water. Dive site

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Filigree structure of a branch of Yellow gorgonian...

Barrel sponge, barrel sponge (Xestospongia testudinaria) in a diverse underwater ecosystem with

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Barrel sponge, barrel sponge (Xestospongia testudi...

Giant fan coral (Annella mollis) in different colours in blue water. Dive site Coral Garden,

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Giant fan coral (Annella mollis) in different colo...

Two divers explore a vibrant coral reef full of colourful corals, including red knot fans

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Two divers explore a vibrant coral reef full of co...

Bright orange sea anemone, false plum anemone (Pseudactinia varia), on the seabed. Dive site False

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Bright orange sea anemone, false plum anemone (Pse...

Purple mushroom coral (Fungia fungites) on a sea bed. Dive site Gondol Reef, Gondol, Bali,

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Purple mushroom coral (Fungia fungites) on a sea b...

Large mushroom leather coral (Sarcophyton glaucum) on a tropical seabed. Dive site Toyapakeh, Nusa

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Large mushroom leather coral (Sarcophyton glaucum)...

Detailed view of a yellow tree coral (Dendronephthya) in a richly textured marine environment. Dive

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Detailed view of a yellow tree coral (Dendronephth...

Detailed close-up of the tentacles of a bubble anemone (Entacmaea quadricolor) under water. Dive

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Detailed close-up of the tentacles of a bubble ane...

Barrel sponge, barrel sponge (Xestospongia testudinaria) in a lively underwater world. Dive site

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Barrel sponge, barrel sponge (Xestospongia testudi...

Beige-green star-shaped corals, tube coral (Clavularia viridis), cover the seabed. Dive site

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Beige-green star-shaped corals, tube coral (Clavul...

Large orange giant fan coral (Annella mollis) in the seascape. Dive site Magic Forest, Penyapangan,

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Large orange giant fan coral (Annella mollis) in t...

Red knotted fan (Melithaea ochracea) in the middle of a colourful coral reef. Dive site Coral

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Red knotted fan (Melithaea ochracea) in the middle...

Large sea anemone in different colours, false plum anemone (Pseudactinia varia), under water. Dive

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Large sea anemone in different colours, false plum...

Scuba diver diving over coral tropical reef, with colorful sea fish beautiful ocean ecosystem, AI

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Scuba diver diving over coral tropical reef, with ...

Scuba diver diving over coral tropical reef, with colorful sea fish beautiful ocean ecosystem, AI

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Scuba diver diving over coral tropical reef, with ...

Scuba diver diving over coral tropical reef, with colorful sea fish beautiful ocean ecosystem, AI

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Scuba diver diving over coral tropical reef, with ...

Blue Transparent Jellyfish With Dangerous Tentacles Floats Through Water

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Blue Transparent Jellyfish With Dangerous Tentacle...

Scuba diver diving over coral tropical reef, with colorful sea fish beautiful ocean ecosystem, AI

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Scuba diver diving over coral tropical reef, with ...

A single Black Grouper (Mycteroperca bonaci) near corals in an underwater landscape. Dive site John

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A single Black Grouper (Mycteroperca bonaci) near ...

Coral cultivation. Two divers work on planting corals underwater in the ocean. The aim is to grow

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Coral cultivation. Two divers work on planting cor...

Various coral species, including fire coral (Millepora complanata) and Venus fan (Gorgonia

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Various coral species, including fire coral (Mille...

Spider crab (Maja squinado) camouflaged with algae in green water with sea anemones. Dive site

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Spider crab (Maja squinado) camouflaged with algae...

Coral-covered wheel and wreckage under water. Dive site USAT Liberty, Tulamben, Bali, Indonesia

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Coral-covered wheel and wreckage under water. Dive...

Colourful speckled peacock wrasse (Symphodus tinca) among marine plants. Dive site Cap de Creus

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Colourful speckled peacock wrasse (Symphodus tinca...

Yellow rock rose (Cribrinopsis crassa) with purple tips on the seabed. Dive site Cap de Creus

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Yellow rock rose (Cribrinopsis crassa) with purple...

A large stony coral (Montastraea cavernosa) towers impressively in the coral reef. Dive site John

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A large stony coral (Montastraea cavernosa) towers...

Close-up of tentacles of a red-orange sea anemone, Dahlia anemone (Urticina felina) . Dive site

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Close-up of tentacles of a red-orange sea anemone,...

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