HOLOTHURIA TUBULOSA PDF

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Range Description. This species occurs in the Mediterranean and surrounding Atlantic waters, from Algeria, Croatia, France, Gibraltar, Italy, Montenegro. Maximum size: 25 cm (Ref. ); approximately 30 cm. maximum width: 6 cm. Average weight: g (Ref. ). Body: with more or less round cross section;. PDF | The Atlanto-Mediterranean holothurian Holothuria tubulosa is among the conspicuous benthic invertebrates in the shallow sublittoral.

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It is said that it moves at the speed of one meter every 10 minutes.

File:Holothuria tubulosa Gmelin, 1790 1.jpg

The animal sorts and introduces the edible organic substances, and rejects the elements not metabolize, particularly sand, in the form of lengthened excrements Ref.

Eviscerate easily when it is disturbed Ref. They feed on microscopic algae and pass through several stages over the course of a few weeks before settling on the seabed and undergoing metamorphosis into juveniles.

It holothurria appears greyish, as it secretes a protective film of mucus to which bits of seaweed and sediment may adhere. Holothuria tubulosathe cotton-spinner or tubular sea cucumberis a species of sea cucumber in the family Holothuriidae. Occurs at the low tide mark. Holothuria tubulosa is found in temperate regions of the eastern Atlantic Ocean as far north as the Bay of Biscayin the Mediterranean Seawhere it is abundant.

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File:Holothuria tubulosa Gmelin, – Wikimedia Commons

The sea cucumbers are either sun dried, oven dried, or frozen before being exported. Large numbers of mature individuals simultaneously adopted the spawning position, rearing their anterior ends up and leaving only the hind third of their body in contact with the seabed.

It tubhlosa a fringe of short, flattened tentacles around the mouth at the anterior end and an anus at the posterior end. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.

Hloothuria with the hand, with dredgers and trawls basic, and probably used like food in some countries. The general colour is a shade of brown and the surface is covered with numerous dark-coloured, conical, thorn-like projections known as papillae.

If the file has been modified from its original state, some details may not fully reflect the modified file. This page was last edited on 23 Januaryat The following other wikis use this file: By using this site, you agree to the Terms of Use and Privacy Policy.

In a study in the Mediterranean Sea, a mass spawning event was observed in the afternoons of the two days in August that coincided with the full moon. It is tubuposa type species of the genus Holothuria and is placed in the subgenus Holothuriamaking its full name Holothuria Holothuria tubulosa.

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Holothuria tubulosa, tubular sea cucumber : fisheries

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. There is a commercial fishery in Turkey and a closed season is imposed in August and September to allow the animals to spawn.

International Union for Conservation of Nature. The following page uses this file: By using this site, you agree to the Terms of Use and Privacy Policy. I, the copyright holder of this work, hereby publish it under the following licenses:.

I grant anyone the right to use this work for any purposewithout any conditions, unless such conditions are required by law. The animal is deprived of tubes of Vat Ref. You may select the license of your choice. Retrieved from ” https: Description Holothuria tubulosa Lefkada09 Summary Description Holothuria tubulosa Lefkada09 Sign our Guest Book.

The following other wikis use this file: In some countries this may not be legally possible; if so: From Wikipedia, the tubklosa encyclopedia.