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Holothuria Michaelseni
''Holothuria michaelseni'' is a species of sea cucumber Sea cucumbers are echinoderms from the class Holothuroidea (). They are marine animals with a leathery skin and an elongated body containing a single, branched gonad. Sea cucumbers are found on the sea floor worldwide. The number of holothuria ... in the family '' Holothuridae''. The cucumber is found in the eastern Indian Ocean and off the northwestern coast of Australia. The species was first described by Erwe in 1913. References Holothuriidae {{Holothuroidea-stub ...
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Sea Cucumber
Sea cucumbers are echinoderms from the class Holothuroidea (). They are marine animals with a leathery skin and an elongated body containing a single, branched gonad. Sea cucumbers are found on the sea floor worldwide. The number of holothurian () species worldwide is about 1,717, with the greatest number being in the Asia-Pacific region. Many of these are gathered for human consumption and some species are cultivated in aquaculture systems. The harvested product is variously referred to as '' trepang'', ''namako'', ''bĂȘche-de-mer'', or ''balate''. Sea cucumbers serve a useful role in the marine ecosystem as they help recycle nutrients, breaking down detritus and other organic matter, after which bacteria can continue the decomposition process. Like all echinoderms, sea cucumbers have an endoskeleton just below the skin, calcified structures that are usually reduced to isolated microscopic ossicles (or sclerietes) joined by connective tissue. In some species these can so ...
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Holothuridae
Holothuriidae is a family of sea cucumbers, a type of echinoderm. Description Members of the family Holothuriidae have thick fleshy bodies and several rows of tube feet which are used for moving around and for adhering to the surface. The body is often covered with blunt projections known as papillae. Many of the members of this family are able to eject a mass of fine sticky threads known as cuvierian tubules to distract predators, or even turn their viscera inside out. For the taxonomic determination, the genera ''Actinopyga'' and ''Bohadschia'' have their spicules exclusively shaped like sticks, and the genera '' Holothuria'' and ''Labidodemas'' never have theirs shaped like tables. ''Actinopyga'' is also equipped with anal teeth (modified podia), and never throw out Cuvieran tubules, just like ''Pearsonothuria''. Members of this family occur throughout the oceans of the world at low to middle latitudes. They often live in coral reefs and nearby sandy habitat types, and ...
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