Nick Upton / Crumb-of-bread sponge (Hymeniacidon perlevis) in orange encrusting form. Exposed intertidal rocks, Cornwall, UK. September.
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Alex Mustard / Ctenophore (Bolinopsis sp.) in a sea loch, with sun. Loch Fyne, Scotland, Great Britain.
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David Fleetham / Skeleton shrimp (Caprellidae sp), group on Sponge at night, close-up. Dumaguete, Philippines.
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Georgette Douwma / Barrel sponge (Xestospongia testudinaria) and gorgonian coral. West Papua, Indonesia.
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Alex Mustard / Dwarf hawkfish (Cirrhitichthys falco) perched on the ridges of a barrel sponge. Anilao, Batangas, Luzon, Philippines. Verde Island Passages, Tropical West Pacific Ocean.
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Franco Banfi / Elephant ear sponge (Ianthella basta) with a scuba diver swimming in he background, Gorgonia Wall Reef, Cabilao Island, Bohol, Central Visayas, Philippines, Pacific Ocean.
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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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Tony Wu / A lone sponge perched on a ledge in the Eastern Fields, a submerged coral reef atoll in the Coral Sea of Papua New Guinea.
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Tony Wu / Coral and sponge formation on the outer reef in Ambon, Indonesia
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Georgette Douwma / RF - Blue sea squirts or tunicates (Clavelina moluccensis) on sponge. West Papua, Indonesia. (This image may be licensed either as rights managed or royalty free.)
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Alex Mustard / Aggregation of tiny isopods (Santia sp.) living on the surface of a Blue sponge (Haliclona sp.), there are two colour varieties here, possibly different species. There are also small copepods living o...
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Alex Mustard / Amphipod travelling on sea gooseberry (Ctenophora) Browning Pass, Vancouver Island, British Columbia, Canada. North East Pacific Ocean.
