glass sponge

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vulture. An adult bearded vulture at a raptor recovery center. The Gypaetus barbatus also known as the Lammergeier or Lammergeyer, is a bird of prey and considered an Old World vulture.

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Mushrooms growing in forest. (vegetable; fungus; mushroom; macrofungi; epigeous)

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Sea otter (Enhydra lutris), also called great sea otter, rare, completely marine otter of the northern Pacific, usually found in kelp beds. Floats on back. Looks like sea otter laughing. saltwater otters

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glass sponge

invertebrate

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Australian Museum - Deepsea Glass Sponge

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Also known as: Hexactinellida, Hyalospongiae, Triaxonia

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Category: Animals & Nature

Related Topics:: sponge; Venus’s flower basket; Euplectella aspergillum

glass sponge, any of a class (Hexactinellida, also called Hyalospongiae, or Triaxonia) of sponges characterized by a skeleton that consists of silica spicules (needlelike structures) often united into a delicate geometric network—e.g., that of Venus’s flower basket (q.v.). Glass sponges occur mainly on muddy sea bottoms at great depths.