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Anadara notabilis, Eared ark

Common name (e.g. turtle)

Genus + Species (e.g. Caretta caretta)

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Anadara notabilis   (Roding, 1798)

Eared ark

Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Anadara notabilis  AquaMaps  Data sources: GBIF OBIS
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Image of Anadara notabilis (Eared ark)
Anadara notabilis

Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Bivalvia | Arcida | Arcidae

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

Benthic; depth range 0 - 75 m (Ref. 104365).  Tropical; 70°N - 34°S, 98°W - 34°W

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Western Atlantic. Tropical to polar climates of northern hemisphere.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cmCommon length : 9.0 cm TL male/unsexed; (Ref. 344)

Short description Morphology

Shell heavy, sturdy, inequivalve, with one valve slightly larger than the other. Anterior end short and rounded, posterior end longer and angled. Hinge straight. Sculpture of 25 to 27 radial ribs crossed by fine concentric lines prominent between ribs. Ribs never bifurcated. Umbones prominent, ligamental area large, hinge long, straight. Periostracum heavy. Colour: white; periostracum brown. It is consumed locally in soups amd chowders (Ref. 271).

Biology     Glossary (e.g. epibenthic)

Assumed total length is 9 cm (Ref. 344). Epibiotic (Ref. 104365). Found in soft bottoms (mud or sand), sometimes on seagrass environment at shallow intertidal depths (Ref. 271). Commensal with amphipods (Ref. 82302).

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

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.

Main reference References | Coordinator | Collaborators

Leal, J.H. 2003. (Ref. 344)

IUCN Red List Status (Ref. 130435: Version 2024-2)

  Not Evaluated 

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses


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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): 22.9 - 28, mean 26.1 (based on 372 cells).
Price category (Ref. 80766): Medium.

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