HOLOTHURIA TUBULOSA PDF

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 the type species of the genus Holothuria and is placed tuhulosa the subgenus Holothuriamaking its full name Holothuria Holothuria tubulosa.

Holothuria tubulosa Gmelin, Gmelin[2].

File:Holothuria tubulosa Lefkada09 7769.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.

Retrieved 29 October Views View Edit History. It holothuriw a fringe of short, flattened tentacles around the mouth at the anterior end and an anus at the posterior end. By using this site, holpthuria agree to the Terms of Use and Privacy Policy. Eviscerate easily when it is disturbed Ref.

Holothuria tubulosa, tubular sea cucumber : fisheries

The fertilised eggs hatch in about 24 hours and the developing larvae are planktonic. The sea cucumbers are either sun dried, oven dried, or frozen before being exported. International Tubuolsa for Conservation of Nature. Short description Hholothuria Maximum size: The general colour is a holothuira of brown and the surface is covered with numerous dark-coloured, conical, thorn-like projections known as papillae.

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Probably one of the species which Turkey exports in Japan Ref. There is a commercial fishery in Turkey and a closed season is imposed in August and September to allow the animals to spawn. World Register of Marine Species. Native range All suitable habitat Point map Year Information from its description page there is shown below.

It is roughly cylindrical with a flattened base on which there are three longitudinal rows of tube feet.

Holothuria tubulosa is found in temperate regions of the ttubulosa Atlantic Ocean as far north as the Bay of Biscayin the Mediterranean Seawhere it is abundant. It often appears greyish, as it secretes a protective film of mucus to which bits of seaweed and sediment may adhere.

File:Holothuria tubulosa Gmelin, 1790 1.jpg

Large numbers of hopothuria 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. 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.

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Variable coloring of the red with nuance of brown which some time draws on the purple one. You may select the license of your choice.

WoRMS – World Register of Marine Species – Holothuria tubulosa Gmelin,

First, some individuals, believed to be males, emitted a whitish fluid which gradually dispersed in the surrounding water. Holothuria tubulosathe cotton-spinner or tubular sea cucumberis a species of sea cucumber in the family Holothuriidae. Sandy rich person funds muddy out of organic remains, or on hard substrates forks and spoons of plants. Native range All suitable habitat Point map Holothurua This map was computer-generated and has not yet been reviewed.

This page was last edited on 23 Januaryat The following pages on the English Wikipedia link to this file pages on other projects are not listed:. Holothuria tubulosa is one of the species collected by divers, who can gather to in a day.

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