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black sea red data book - Department of Biology

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Patella tarentina (Salis, 1793)<br />

Synonyms: Patella caerulea vor. tenuistriata Weink.-Ostroum<strong>of</strong>f, 1893; P.caerulea<br />

L.-Kobelt, 1898; P.pontica Mil.-Milashevich 1914, 1916; P.caeruleapontica Mil.-<br />

Ilina, 1966).<br />

Common names: Engl: Limpet; Bulg: Kitayska shapitsa; Russ: Blyudechko; Turk:<br />

Cin sapkasi; Ukr: Blyudechko.<br />

Taxonomic description. A <strong>sea</strong> snail with a shell resembling a Chinese cap, hence its<br />

Bulgarian name. Shape <strong>of</strong> the shell almost circular, with the upper part slightly<br />

shifted to the front end, which is noticeably narrower than the back end. Shell<br />

sculptu<strong>red</strong> with dense radial ribs, unequally high and dense and with thin concentric<br />

growth circles. Edge <strong>of</strong> shell finely indented. Colour yellow-white with <strong>red</strong>-brown<br />

rays. Length <strong>of</strong> shell up to 45 mm, breadth up to 30 mm, height up to 14 mm.<br />

IUCN Status<br />

World level:<br />

Black Sea Regional level: EN<br />

Subregion level: EN (Ukrainian sector)<br />

Order DOCOGLOSSA<br />

Family PATELLIDAE<br />

Distribution. Black Sea, Sea <strong>of</strong> Azov, Mediterranean Sea.<br />

Habitat type. Critical habitats. Limiting factors. A typical contourobiont,<br />

inhabiting the rocky coast mediolittoral zone, except low salinity waters and areas<br />

cove<strong>red</strong> with ice in winter, even if only for a few hours. The main limiting factor is<br />

the pollution <strong>of</strong> coastal waters, especially by toxic surfactants, including oil.<br />

303

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