Donax variabilis

Donax variabilis, known by the common name coquina, is a species of small edible saltwater clam, a marine bivalve mollusc in the family Donacidae, the bean clams. It is a warm water species which occurs in shallow water on sandy beaches on the east coast of the United States.

Donax variabilis
Donax variabilis shells showing some color variation
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Subclass: Heterodonta
Order: Cardiida
Family: Donacidae
Genus: Donax
Species:
D. variabilis
Binomial name
Donax variabilis
Say, 1822

Distribution

This species occurs on the east coast of the United States, from Virginia Beach, Virginia to Florida including East Florida, West Florida and the Florida Keys.[1]

Description

The maximum reported size is 19 mm.[2] The exterior of the small shell of this species can have any one of a wide range of possible colors, from almost white, through yellow, pink, orange, red, purple, to brownish and blueish, with or without the presence of darker rays.[3][4]

Biology

This species lives from the intertidal zone of sandy beaches to a depth of 11 m.[5]

Human uses

The coquina is edible and is used to make broth. Some people collect the colorful shells to use for crafts.

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gollark: I should probably also swap out the markdown renderer for cmark-gfm or something.

See also
  • Donax fossor, a similar species with a more northern distribution

References
  1. Rosenberg, G. 2009. Malacolog 4.1.1: A Database of Western Atlantic Marine Mollusca. [WWW database (version 4.1.1)] URL http://www.malacolog.org/
  2. Rosenberg, G. 2009. Malacolog 4.1.1: A Database of Western Atlantic Marine Mollusca. [WWW database (version 4.1.1)] URL http://www.malacolog.org/
  3. iLoveShelling, "Crayola Color Wheel Coquinas" Nov 8th Accessed 2014-9-26
  4. iLoveShelling, "Coquina Butterfly Kisses" July 14 Accessed 2014-9-26
  5. Rosenberg, G. 2009. Malacolog 4.1.1: A Database of Western Atlantic Marine Mollusca. [WWW database (version 4.1.1)] URL http://www.malacolog.org/
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