Green heart-shaped [1] ( lat. Cerastoderma glaucu) is a species of marine bivalve mollusks from the family of heart-shaped ( Cardiidae ).
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| Cerastoderma glaucum ( Bruguière , 1789) | ||||||||||||||
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This species lives along the coast of Europe and North Africa, including in the Mediterranean , Black and Caspian seas, in the low-salted Baltic Sea [2] [3] . In northwestern Europe (including the British Isles), he usually lives on the open coast [4] . It lives at a shallow depth, burying itself in sand and silt.
The shell is small, round or oval-quadrangular, thin-walled, almost not elongated, with strongly protruding tops located almost in the middle of the dorsal margin. The color is white or gray, the back margin is often with a brown spot.
The heart-shaped ones have a strong wedge-shaped leg and with its help they not only move and quickly dig into the ground, but also jump a few centimeters above the bottom when they are in danger from their enemies. [one]
The green heart can grow up to 50 mm in length. In the north-west of Europe, it spawns in May-July; the plankton larval phase lasts 11-30 days. Lives, as a rule, 2-5 years [5] .
Notes
- ↑ 1 2 Marine animals of the waters of Ukraine / Green heart-shaped (Cerastoderma glaucum (Poiret, 1789)) . fish.kiev.ua. Date of treatment May 28, 2018.
- ↑ Russell PJ, Petersen GH (1973) The use of ecological data in the elucidation of some shallow water European Cardium species. Malacologia 14: 223-232
- ↑ Nikula R, Väinölä R (2003) Phylogeography of Cerastoderma glaucum (Bivalvia: Cardiidae) across Europe: A major break in the Eastern Mediterranean. Marine Biology 143: 339-350
- ↑ Nicola White. Lagoon cockle - Cerastoderma glaucum - General information . Marine Life Information Network (MarLIN). Archived August 27, 2013. Retrieved July 29, 2012.
- ↑ WoRMS taxon details — Cerastoderma glaucum (Bruguière, 1789) . World Register of Marine Species . Vlaams Instituut voor de Zee . Date of treatment July 29, 2012. Archived August 27, 2013.