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sea cucumber

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sea cucumber

Any echinoderm of the class Holothuroidea with a cylindrical body that is tough-skinned, knobbed, or spiny. The size ranges from 3 cm/1.2 in to 2 m/6.6 ft. There are around 900 species, which are mostly black, brown, or olive green in colour. Sea cucumbers are sometimes called ‘cotton-spinners’ because of the sticky filaments they eject from the anus in self-defence.

The dried flesh of sea cucumbers is a delicacy in Japan and Taiwan, and overfishing has threatened some populations. A high density is vital to sustain a population as they reproduce by releasing sperm or ova into the water; other sea cucumbers must also be releasing sperm or ova nearby.



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Byline: ANI Washington, May 16 (ANI): An Australian researcher has suggested that the porous structure of sea cucumbers could be the perfect model to create a sponge that absorbs C02 (carbon dioxide) and boosts hydrogen fuel production.
Little Olly the Oyster encounters a variety of amazing creatures in Chesapeake Bay--a blue crab, who cleans the bay by eating carrion; a sea cucumber, who cleans the bay by eating animal waste sifted from the dirt; a barnacle, that cleans the bay by eating floating detritus; and a sea urchin, who cleans the bay by eating algae.
The data indicates that one of the reasons the ministry took the decision to prevent the export of some fish and marine organisms, including rare squid and sea cucumber, is to allow for the reproduction of these species and to strengthen their reserves, after their over-exploitation in the past years.
 
 
 
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