Cerastoderma glaucum
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: Cardiida
Family: Cardiidae
Genus: Cerastoderma
Species:
C. glaucum
Binomial name
Cerastoderma glaucum
Synonyms

Cardium glaucum Poiret, 1789
Cerastoderma lamarcki
(Reeve, 1845)

Cerastoderma glaucum, the lagoon cockle, is a species of saltwater clam, a marine bivalve mollusc in the family Cardiidae, the cockles.

This species is found along the coasts of Europe and North Africa, including the Mediterranean and Black Seas and the Caspian Sea, and the low-salinity Baltic Sea. It is a euryhaline species living in salinities 4-100 ‰.[2][3] In north-west Europe (including the British Isles), it typically does not live on open shores but rather in shallow burrows in saline lagoons, or sometimes on lower shores in estuaries. It cannot tolerate significant exposure to the air. The form found in lagoons is thinner-shelled than the estuarine populations.[4]

The lagoon cockle can grow to the length of 50 mm. In north-west Europe, it spawns in May–July, and the planktonic larval phase takes 11–30 days. The life span of the settled cockle is typically 2–5 years.[4]

The species was described as Cardium glaucum in 1789 almost simultaneously both by Bruguière and by Poiret.[1]

Cerastoderma glaucum
Right and left valve of the same specimen:

  • Right valve
    Right valve
  • Left valve
    Left valve

Cerastoderma glaucum lamarcki
Right and left valve of the same specimen:

  • Right valve
    Right valve
  • Left valve
    Left valve

References

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  1. ^ a b "Cerastoderma glaucum (Bruguière, 1789)". World Register of Marine Species. Vlaams Instituut voor de Zee. Retrieved 29 July 2012.
  2. ^ Russell PJ, Petersen GH (1973) The use of ecological data in the elucidation of some shallow water European Cardium species. Malacologia 14:223–232
  3. ^ Nikula, R.; Väinölä, R. (2003). "Phylogeography of Cerastoderma glaucum (Bivalvia: Cardiidae) across Europe: a major break in the Eastern Mediterranean". Marine Biology. 143 (2): 339–350. doi:10.1007/s00227-003-1088-6.
  4. ^ a b Nicola White. "Lagoon cockle - Cerastoderma glaucum - General information". Marine Life Information Network (MarLIN). Retrieved 29 July 2012.
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Cerastoderma

Extant species: Cerastoderma edule (Linnaeus, 1758) - common cockle Cerastoderma glaucum (Poiret, 1789) - lagoon cockle (= Cerastoderma lamarcki [Reeve

Cardium pottery

from the imprinting of the clay with the heart-shaped shell of the Cerastoderma glaucum, a member of the cockle family Cardiidae. These forms of pottery

Aral Sea

aralensis), Hypanis, and the lagoon cockle (Cerastoderma glaucum) (formerly considered distinct species Cerastoderma rhomboides and C. isthmica). Native gastropods

Baltic Sea

non-Baltic records to be misidentifications of juvenile lagoon cockles (Cerastoderma glaucum). Several widespread marine species have distinctive subpopulations

Great Bitter Lake

were rare. The first recorded molluscan anti-Lessepsian migrant was Cerastoderma glaucum by Fisher (1870).[citation needed] The hypersaline state of the water

Starlet sea anemone

macrofauna found alongside it in England include the lagoon cockle (Cerastoderma glaucum), the lagoon sandworm Armandia cirrhosa, the isopod Idotea chelipes

Pied avocet

level changes. Nests often include shell fragments, particularly Cerastoderma glaucum, and vegetation like samphire, grasses, goosefoots, sea-lavender

Fezzan Basin

between MIS 5 and the Holocene. The MIS 5 deposits include fossils of Cerastoderma glaucum, which indicates that the water was probably brackish. During the