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Ensis directus   Conrad, 1843

American jack knife clam

Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Ensis directus  AquaMaps  Data sources: GBIF OBIS
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Ensis directus


United States (contiguous states) country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: never/rarely | Ref:
Regulations: no regulations | Ref:
Uses: no uses
Comments: Known from the west Atlantic coasts of North America including Mexico (Ref. 1314). Cultured in Connecticut (Ref. 80340). C: Ref. 1314; O: Ref. 114889.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/us.html
National Fisheries Authority: http://www.nmfs.gov
Occurrences: Occurrences Point map
Main Ref: Hill, M., R. Baker, G. Broad, P.J. Chandler, G.H. Coop, J. Ellis, D. Jones, C. Hoyland, I. Laing, M. Longshaw, N. Moore, D. Parrott, D. Pearman, C. Preston, R.M. Smith and R. Waters, 2005
National Database:

Common names from other countries

Classification / Names / Names Noms communs | Synonymes | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS

> Adapedonta () > Pharidae ()

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

; saumâtre; profondeur 0 - 73 m (Ref. 104365).   Temperate, preferred 12°C (Ref. 107945); 46°N - 18°N, 91°W - 59°W

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Introductions

Western Atlantic Ocean: from Nova Scotia, Canada to Florida and southern Gulf of Mexico to Campeche, Mexico. Introduced in the Northeast Atlantic from UK (England and Wales), the North Sea to southern Norway and southern Baltic Sea to Spain in the southern Bay of Biscay. Tropical to temperate.

Length at first maturity / Taille / Poids / Âge

Maturity: Lm ?  range ? - ? cm Max length : 26.0 cm TL mâle / non sexé; (Ref. 7726)

Biologie     Glossaire (ex. epibenthic)

Comprise communities and assemblages throughout the Mid-Atlantic Bight (Ref. 80354). Inhabits littoral and sublittoral sediment (Ref. 1314). Found in areas influenced by estuarine outflows (Ref. 96507). Swims backward (Ref. 80328).

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

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.

Référence principale Références | Coordinateur | Collaborateurs

Harvey-Clark, C. 1997. (Ref. 7726)

Statut dans la liste rouge de l'IUCN (Ref. 130435)

  Non évalué 

statut CITES (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Utilisations par l'homme

Pêcheries: commercial
FAO - pêcheries: landings | FishSource | Sea Around Us

Outils

Plus d'informations

Noms communs
Synonymes
Prédateurs
Reproduction
Maturité
Frai
Fécondité
Œufs
Développement de l'œuf
Taille/Âge
Croissance
Longueur-poids
Longueur-longueur
Morphologie
Larves
Abondance

Sources Internet

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(pêcheries: ; publication : search) | GenBank (genome, nucleotide) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Arbre de Vie | Wikipedia (Go, chercher) | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 4.1 - 26, mean 9.7 (based on 362 cells).
Vulnérabilité (Ref. 71543): Low vulnerability (16 of 100).
Catégorie de prix (Ref. 80766): Low.