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View of the Caribbean coral reef with the yellow tube sponge in Grand Cayman - Cayman Islands
Red encrusting sponge or orange-red encrusting sponge (Crambe crambe) undersea, Aegean Sea, Greece, Halkidiki, Pirgos beach
The Blue Flatworm Cycloporus venetus is well camouflaged on a Sea Squirt Clavelina sp., both his colors match perfectly. \nCycloporus venetus occurs in the tropical Indo-Pacific from India to Indonesia, north to Japan, south to Australia, max. length 5cm. Species determination amongst members of the genus Cycloporus is mostly based on colour and pattern, given that the internal reproductive anatomy is similar between species (Newman & Cannon, 2002). Distinguishing species of Cycloporus can be challenging since these animals tend to be transparent and the colour greatly depends on the content of the intestinal branches. However, Cycloporus venetus has a unique and diagnostic colour and pattern. \nCalavelina ascidians are colonial but not fully fused tunicates, meaning individual zooids are connected at the base but remain distinct. They are filter feeders, drawing in water through the oral siphon, extracting plankton, and expelling water through the atrial siphon. They play a role in marine ecosystems by filtering particles and providing habitat for small organisms. They typically grow on rocks, corals, sponges (like this aggregation), dock pilings, and artificial structures.\nLembeh Strait, North Sulawesi, Indonesia\n1°28'56.394 N 125°15'15.588 E at 15m depth
Yellow tube sea sponge - Aplysina aerophoba, underwater image into the Mediterranean sea
A man holds in his hands an Aegean sponge, collected by him in Kalymnos, the sponge island of the Dodecanese islands.
Colorful red finger sponge and brown tube sponges on Belize reef
old car washing sponge
Variety of natural sponges in market, Symi Village
an orange rubber sponge (Agelas clathrodes) in Guadeloupe (Caribbean, France)
Yellow tube sponge or Aureate sponge (Aplysina aerophoba) undersea, Aegean Sea, Greece, Halkidiki
Giant Sponges can grow to impressing size. These specimen of filter animals live under a rock overhang at the north side of Rozengain Island, Banda Sea, Indonesia, 4°34'41.37 S 130°1'40.194 E at 20m depth
Colorful, picturesque coral reef at the bottom of tropical sea, great sea tube sponge, underwater landscape
Image of the tube sponges in Little Cayman - Cayman Islands
Aplysina fistularis, also known as the yellow tube sponge is a species of sea sponge in the order Verongiida.
Ancient glass sponges in the agamemnom channel, Sunshine Coast, British Columbia
Closeup of a Tube Sponge off the coast of Roatan, Honduras
Woman hand holding and showing natural organic sea sponge bath sponge against blue sea water background.
Coral reef Underwater photo tropical sea,  Goblet sponge,   Finger coral,  Red sea  Sea life  Coral garden reef Beauty in nature
Yellow tube sponge or Aureate sponge (Aplysina aerophoba) close-up undersea, Aegean Sea, Greece, Halkidiki, Pirgos beach
These sponges are NOT photoshopped, that's the real color! The whole area is full of Bubble Tip Anemones Entacmaea quadricolor. A lot of Acropora sp. hard corals. Some Tropical Striped Triplefin Helcogramma striatum (4 cm = 1.6 inches) are there. A dive in Indonesia without them is quite rare! Many Stinging Hydrozoan Aglaophenia cupressina, they are useful to indicate good buoyancy to divers, as bad one is painful! South West side of Pura Island, Pantar Strait, Alor, Indonesia, 8°19'8\
Sea Sponge, Coral Reef, Caribbean Sea, Playa Girón, Cuba, América
cleaning cleaning with yellow sponge
Callyspongia plicifera, the azure vase sponge, is a species of sea sponge belonging to the family Callyspongiidae
View of the Caribbean coral reef with the yellow tube sponge in Grand Cayman - Cayman Islands
Yellow tube sea sponge and soft coral reef in caribbean sea of Basse Terre, Guadeloupe. Undersea photo during a dive in antilles
Sea life Orange Tube sponge from scuba diver point of view. Close up, macro  Underwater photo
Yellow Tube Sponge or Golden Sponge (Aplysina aerophoba) undersea, Aegean Sea, Greece, Halkidiki
Petrosia hoeksemai (family Petrosiidae) occurs in the Indonesian Western Central Pacific in a depth range from 3 to 20m. \nEven if the shape is very different from Giant Barrel Sponge Xestospongia testudinaria, the two species are closely related.\nBanda Island, between Lavaflow 2 and 3, Indonesia, \n4°30'21.233 S 129°52'33.819 E at 16m depth
Natural sponges, one of the main trade items of Dodecanese island Kalymnos
dirty sponge
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