Donax variabilis

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For the sedimentary rock, see Coquina.
Donax variabilis
Coquina variation3.jpg
Donax variabilis shells showing some color variation
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: Veneroida
Family: Donacidae
Genus: Donax
Species: D. variabilis
Binomial name
Donax variabilis
Say, 1822

Donax variabilis, common name the "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 of the East Coast of the USA.

Distribution[edit]

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

Description[edit]

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[edit]

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

Human uses[edit]

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

See also[edit]

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

References[edit]

  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 [1] Accessed 2014-9-26
  4. ^ iLoveShelling, "Coquina Butterfly Kisses" July 14 [2] 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/