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Aplysina fistularis (A. fistularis), also known as the yellow tube sponge or yellow sponge , [1] is a species of sea sponge in the order Verongiida. [2] Aplysina fistularis is a golden or orange-brown color with a conulose surface. The animal is abundant in the Caribbean, where it is commonly found in reefs of open water areas. [1]
Aplysina aerophoba. Aplysina aerophoba is sometimes heavily infested with Nausithoe polyps. In more tropical areas like the Canary Islands Aplysina aerophoba tends to take on a smoother appearance. Aplysina aerophoba is a species of sponge in the family Aplysinidae. It is a yellow, tube-forming or encrusting sponge and is native to the eastern ...
Cliona celata, occasionally called the boring sponge, is a species of demosponge belonging the family Clionaidae. [1] It is found worldwide. This sponge bores round holes up to 5 millimetres (0.20 in) in diameter in limestone or the shells of molluscs, especially oysters. The sponge itself is often visible as a rather featureless yellow or ...
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Aplysina archeri, also known as a stove-pipe sponge because of its shape, is a species of tube sponge that has long tube-like structures of cylindrical shape. Although they can grow in a single tube, they often grow in large groups of up to 22 tubes. [ 2] A single tube can grow up to 5 feet (1.5 m) high and 3 inches (7.6 cm) thick.
Aplysina insularis is a large sponge and consists of one or more cylindrical tubes united at the base. Each one narrows at the apex into a large osculum and this may be surrounded by small, finger-like projections. Slender tendrils and larger rope-like projections may also occur, and in areas with high levels of sedimentation, these may exceed ...
Red volcano sponge (Acarnus erithacus, Poecilosclerida). Spermatocytes develop from the transformation of choanocytes and oocytes arise from archeocytes . Repeated cleavage of the zygote egg takes place in the mesohyl and forms a parenchymella larva with a mass of larger internal cells surrounded by small, externally flagellated cells.
Callyspongia crassa, commonly known as prickly tube-sponge, is a species of sponge found from the Red Sea to the Seychelles. Its wide flexible brown tube with exterior protuberances can appear as a single tube or as clusters of tubes and can reach up to 50 centimeters (20 inches) in size. [1][2][3] Like many other sea sponges, it is primarily ...