Alex Mustard / Yellow tube sponge (Aplysina fistularis) on coral reef, diver exploring in background. Black Rock Drop Off, East End, Grand Cayman, Cayman Islands, British West Indies. Model released.
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Alex Mustard / Yellow tube sponge (Aplysina fistularis) on a coral reef, with the camera rotated during the long exposure. East End, Grand Cayman, Cayman Islands. British West Indies. Caribbean Sea.
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Alex Mustard / Spotlight goby (Gobiosoma louisae) looking out from inside a Yellow tube sponge (Aplysina fistularis), growing on a coral reef. Bloody Bay Wall, Little Cayman, Cayman Islands, British West Indies. Car...
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Alex Mustard / Yellow tube sponges (Aplysina fistularis) growing on a Caribbean coral reef. Cayman Brac, Cayman Islands. Caribbean Sea.
Franco Banfi / Scuba diver and yellow sponges (Aplysina cavernicola) on Brioni Steamship wreck, Vis Island, Croatia, Adriatic Sea, Mediterranean. Model released.
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Alex Mustard / Yellow tube sponge (Aplysina fistularis) top view of tubes with water swirling around them, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea.
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Alex Mustard / A diver exploring a coral reef with formation of brown tube sponges (Agelas conifera) red rope sponges (Amphimedon compressa) and deepwater sea fans (Iciligorgia nodulifera) East End, Grand Cayman, Ca...
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Jeff Rotman / Yellow tube sponge (Aplysina fistularis) Red Sea, Egypt
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Juergen Freund / Brown tube sponge (Agelas tubulata) in the reef, North Sulawesi, Indonesia.
David Fleetham / Blue spiral fan (used for feeding and breathing) of Christmas tree worm (Spirobranchus giganteus) visible on reef. Maui, Hawaii.
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David Fleetham / Caribbean trumpetfish (Aulostomus maculatus) camouflaged among Tube sponges (Aplysina sp). Bonaire, Netherlands Antilles, Caribbean.
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Alex Mustard / Colourful coral reef wall, with yellow branching tube sponges (Pseudoceratina crassa), brown tube sponges (Agelas conifera) and red rope sponges (Amphimedon compressa), in front of deepwater sea fans...
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Alex Mustard / RF - Colourful coral reef wall, with Yellow branching tube sponges (Pseudoceratina crassa), brown tube sponges (Agelas conifera) and red rope sponges (Amphimedon compressa), in front of deepwater sea...
Pete Oxford / Yellow tube sponge (Aplysina fistularis) Lighthouse Reef Atoll, Belize Barrier Reef, the second largest barrier reef system in the world. Belize.
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Franco Banfi / Red fan corals (Paramuricea clavata), Yellow gorgonian, (Eunicella cavolini) and Yellow cave-sponges (Aplysina cavernicola), Ischia Island, Italy, Tyrrhenian Sea, Mediterranean.
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Claudio Contreras / Yellow tube sponge (Aplysina fistularis) Cozumel Reefs National Park, Cozumel Island, Caribbean Sea, Mexico, January
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Claudio Contreras / Row pore rope sponge (Aplysina cauliformis) Cozumel Reefs National Park, Cozumel Island, Caribbean Sea, Mexico, February
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Claudio Contreras / Yellow tube sponge (Aplysina fistularis) Cozumel Reefs National Park, Cozumel Island, Caribbean Sea, Mexico, February
Michael Pitts / Tube or trumpet sponges (Aplysina fistularis?) Tobago. Caribbean
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Alex Mustard / Diver photographing a large formation of yellow tube sponges (Aplysina fistularis) growing on a coral reef, North Wall, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea. Model released...
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Alex Mustard / Brown tube sponges (Agelas conifera) formation on reef wall with diver above, image taken with a circular fisheye, East End, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea.
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Alex Mustard / Brown tube sponges (Agelas conifera) formation on reef wall, with diver in distance, East End, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea.
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Alex Mustard / Brown tube sponges (Agelas conifera) formation on a reef wall, with sun shining through the water and diver above, East End, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea.
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Alex Mustard / Brown tube sponges (Agelas conifera) and deepwater sea fans (Iciligorgia nodulifera) with a diver in background exploring the reef, East End, Grand Cayman, Cayman Islands, British West Indies, Caribbe...
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Alex Mustard / Yellow tube sponge (Aplysina fistularis) selectively illuminated with a diver swimming above, East End, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea.
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Alex Mustard / Yellow tube sponge (Aplysina fistularis) on a coral reef, East End, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea.
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Alex Mustard / Coral reef outcrop with brown tube sponges (Agelas conifera) deepwater sea fans (Iciligorgia nodulifera) and knobby cactus coral (Mycetophyllia aliciae) East End, Grand Cayman, Cayman Islands, Britis...
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Pete Oxford / Yellow tube sponge (Aplysina fistularis) on coral reef, Coral Reef Island, Belize Barrier Reef, Belize
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Pete Oxford / Stove-pipe Sponge (Aplysina archeri) on coral reef, Coral Reef Island, Belize Barrier Reef, Belize
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Pete Oxford / Yellow tube sponge (Aplysina fistularis) on coral reef, Coral Reef Island, Belize Barrier Reef, Belize
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Georgette Douwma / Tube Sponge (Callyspongia sp.) with crinoids on coral reef. Rinca, Komodo National Park, Indonesia.
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Sue Daly / Painted Frogfish (Antennarius pictus) camouflaged amongst tube sponge on coral reef, Cebu, Philippines, March
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Sue Daly / Painted Frogfish (Antennarius pictus) camouflaged amongst tube sponge on coral reef, Cebu, Philippines, March
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Tim Laman / Brittlestars {Ophiuroidea} on tube sponge amongst mangrove roots, Tunicate Cove, Belize.
Juergen Freund / RF- Yellow tube sponge (Aplysina fistularis) and Fan corals, Caribbean. (This image may be licensed either as rights managed or royalty free.)
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Juergen Freund / Yellow tube sponge {Aplysina fistularis} growing on shipwreck, with diver in background, Caribbean
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Juergen Freund / Brown tube sponge {Agelas wiedenmayeri} Caribbean
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Constantinos Petrinos / Orange cup coral {Tubastrea coccinea} and Tube sponge, Bonaire, Caribbean