Melanella polita
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Housing of Melanella polita |
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| Scientific name | ||||||||||||
| Melanella polita | ||||||||||||
| ( Linnaeus , 1758) |
Melanella polita is the name of a worm - type from the family of eulimidae (genus Melanella ), as Ectoparasite of sea cucumbers lives and in the northeastern Atlantic Ocean and in the Mediterranean is widespread.
features
Melanella polita has an elongated, conical, tower-shaped, ivory-white, sometimes slightly brownish, strongly shiny shell , which in adult snails reaches a shell length of around 8 mm and a width of around 2 mm. The thread has about 5 to 13 almost flat, hardly curved, smooth, opaque whorls with an inconspicuous seam and is sometimes slightly curved. The housing mouth is elongated, pointed, ovoid with a thickened, protruding outer lip rounded in the middle and a bent inner lip.
Distribution and way of life
Melanella polita is found in the northeastern Atlantic Ocean along the coasts of Portugal , Spain , France , Ireland and Great Britain and throughout the Mediterranean , where its hosts also live.
The snail lives on muddy sand and gravel below 10 m sea depth, where it visits its host animals - sea cucumbers of the genera Cucumaria , Aslia and Holothuria - to suckle blood. Among other things, she sucks on Aslia lefevrei
literature
- Wilhelm Kobelt: Illustrirtes Conchylienbuch, Volume 1. Bauer & Raspe, Nuremberg 1876. P. 86.
- William MacGillivray: A History of the Molluscous Animals of Scotland. HG Bohn, York Street, Covent Garden, London 1844. p. 142.
Web links
- Melanella polita (Linnaeus, 1758). Asturnatura.com, Num. 418, April 1, 2013.
Individual evidence
- ↑ PONTEVEDRA, Cangas, Playa de Temperán, zona medio-externa de la Ría de Vigo. Author: Marcos Fernández Iglesias, Olympus Tough 8010. Compiled on July 10, 2011 and published on March 13, 2013.