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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 Nomi Comuni | Sinonimi | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS

> Adapedonta () > Pharidae ()

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

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

Distribuzione Stati | Aree FAO | Ecosystems | Presenze | Introduzioni

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 / Size / Peso / Age

Maturity: Lm ?  range ? - ? cm Max length : 26.0 cm TL maschio/sesso non determinato; (Ref. 7726)

Biologia     Glossario (es. 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 Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve

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 Bibliografia | Coordinatore | Collaboratori

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

IUCN Red List Status (Ref. 130435)


CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Human uses

Pesca: commerciale
FAO - pesca: landings | FishSource | Sea Around Us

Strumenti

Informazioni ulteriori

Nomi Comuni
Sinonimi
Predatori
Riproduzione
Maturità
Deposizione
Fecundity
Uova
Egg development
Age/Size
Accrescimento
Length-weight
Length-length
Morfologia
Larve
Abbondanza

Fonti Internet

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

Estimates based on models

Preferred temperature (Ref. 115969): 4.1 - 26, mean 9.7 (based on 362 cells).
Vulnerability (Ref. 71543): Low vulnerability (16 of 100).
Price category (Ref. 80766): Low.