Donax variabilis   Say, 1822

Variable coquina

Native range | All suitable habitat | Point map | Year 2050
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Donax variabilis  AquaMaps  Data sources: GBIF OBIS
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Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Bivalvia | Cardiida | Donacidae

Environment: milieu / climate zone / depth range / distribution range Ecology

Benthic; brackish; depth range 0 - 11 m (Ref. 83435).  Subtropical; 42°N - 10°N, 98°W - 63°W

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Western Atlantic: North America, from New York to Texas and Mexico, throughout the Gulf of Mexico. The Sea of Marmara and the Mediterranean: Introduced in Egypt and Turkey. Tropical to subtropical.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 1.9 cm DL male/unsexed; (Ref. 83435); max. reported age: 1.00 years (Ref. 8702)

Biology     Glossary (e.g. epibenthic)

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Semelparous species (Ref. 104352). Members of the class Bivalvia are mostly gonochoric, some are protandric hermaphrodites. Life cycle: Embryos develop into free-swimming trocophore larvae, succeeded by the bivalve veliger, resembling a miniature clam (Ref. 833).

Main reference References | Coordinator | Collaborators

Bisby, F.A., M.A. Ruggiero, K.L. Wilson, M. Cachuela-Palacio, S.W. Kimani, Y.R. Roskov, A. Soulier-Perkins and J. van Hertum. 2005. (Ref. 19)

IUCN Red List Status (Ref. 130435: Version 2024-1)

  Not Evaluated 

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses

Fisheries: subsistence fisheries
| FishSource |

Tools

E-book | Field guide

More information

Trophic Ecology
Food items
Diet
Food consumption
Ration
Predators
Ecology
Ecology
Home ranges
Population dynamics
Growth
Age/Size
Length-weight
Length-length
Length-frequencies
Mass conversion
Recruitment
Abundance
Life cycle
Reproduction
Maturity
Fecundity
Spawning
Eggs
Egg development
Larvae
Larval dynamics
Distribution
Countries
FAO areas
Ecosystems
Occurrences
Introductions
Human Related
Aquaculture profile
Stamps, Coins Misc.
Outreach
Collaborators
Taxonomy
Common names
Synonyms
Morphology
Pictures
References
References

Internet sources

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | Fishipedia | GenBank (genome, nucleotide) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Tree of Life | Wikipedia (Go, Search) | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 23.4 - 28, mean 26.8 (based on 348 cells).
Vulnerability (Ref. 71543): Low vulnerability (10 of 100).
Price category (Ref. 80766): Medium.

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