Scapharca cornea   (Reeve, 1844)

Corneous ark

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

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

Bivalvia | Arcida | Arcidae

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

Benthic; depth range 0 - 20 m.  Tropical, preferred 18°C (Ref. 107945)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Western Pacific. Introduced in the Black Sea.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 6.0 cm TL male/unsexed; (Ref. 348); common length : 4.0 cm TL male/unsexed; (Ref. 348)

Short description Morphology

Shell thick and solid, inflated, inequilateral, somewhat transversally elongate in shape and with height greater than inflation, roughly quadrate to trapezoidal in outline; slightly inequivalve, left valve slightly overlapping right valve along posteroventral margin. Anterior margin rounded, ventral margin widely convex and meeting the oblique posterior margin at a blunt angle. Umbones moderately prominent, situated well anterior to midline valves. Posterodorsal slope flattened to slightly concave toward posterior end of dorsal margin, set off by a broad rounded ridge radiating from the umbones to posteroventral end of shell. Cardinal area rather narrow and elongated. About 28 radial ribs (26 to 30) at each valve, as wide as the interstices, mainly granulated on left valve. Periostracum well developed, concentrically striated, scaly to spiky in the interstices of ribs. Internal margins with strong crenulations corresponding with the external radial ribbing. No byssal gape. Colour: outside of shell white, frequently tinged deep bluish green posteriorly; periostracum dark greyish brown. Interior whitish.

Biology     Glossary (e.g. epibenthic)

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

Poutiers, J.M. 1998. (Ref. 348)

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


CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless

Human uses

Fisheries: commercial
FAO - Fisheries: landings | FishSource | Sea Around Us

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Trophic Ecology
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Food consumption
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Predators
Ecology
Ecology
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Population dynamics
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Age/Size
Length-weight
Length-length
Length-frequencies
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Recruitment
Abundance
Life cycle
Reproduction
Maturity
Fecundity
Spawning
Eggs
Egg development
Larvae
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Distribution
Human Related
Aquaculture profile
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References

Internet sources

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Fisheries: ; 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): 17.6 - 29.2, mean 28.3 (based on 1849 cells).
Resilience (Ref. 69278): High, minimum population doubling time less than 15 months (K=0.37).
Vulnerability (Ref. 71543): Low to moderate vulnerability (29 of 100).
Price category (Ref. 80766): Unknown.
Nutrients :  Calcium = 149 [71, 228] mg/100g; Iron = 8.53 [1.95, 15.11] mg/100g; Protein = 9.88 [8.64, 11.12] %; Omega3 = 0.313 [0.202, 0.423] g/100g; Selenium = 61 [50, 72] μg/100g; VitaminA = 0 μg/100g; Zinc = 2.04 [0.56, 3.51] mg/100g (wet weight); based on nutrient studies.