Bivalvia |
Arcida |
Arcidae
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
; djupintervall 0 - 75 m (Ref. 83435). Tropical; 18°N - 18°N, 88°E - 88°E (Ref. 83435)
Western Atlantic.
Length at first maturity / Size / Weight / Age
Könsmognad: Lm ? range ? - ? cm Max length : 4.1 cm DL hane/ej könsbestämd; (Ref. 83435); common length : 7.8 cm TL hane/ej könsbestämd; (Ref. 344)
Shell heavy, sturdy, almost as high as long, inequivalve, with left valve overlapping right. Sculpture of 26 to 28 radial ribs of square cross-section, each with prominent beads. Umbones facing each other. Hinge straight, ligament short, ligamental area with transversal striations. Periostracum thin. Colour: white, periostracum light brown (Ref. 344).
It has a total length of 7.8 cm. Fisheries: collected mostly in the southern half of the area (Ref. 344). Epibiotic (Ref. 104365). Occurs on sand, shell rubble, and seagrass beds at shallow subtidal depths (Ref. 344).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | 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.
Leal, J.H. 2003 Bivalves. p. 25-98. In Carpenter, K.E. (ed.). The living marine resources of the Western Central Atlantic. Volume 1: Introduction, molluscs, crustaceans, hagfishes, sharks, batoid fishes, and chimaeras. FAO Species Identification Guide for Fishery Purposes and American Society of Ichthyologists and Herpetologists Special Publication No. 5. 1600p. (Ref. 344)
IUCN Red List Status
(Ref. 130435: Version 2025-1)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
| FishSource |
Verktyg
Ytterligare information
Trophic EcologyFood items (preys)FödosammansättningFödointagPredatorer Population dynamicsTillväxt
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundans
PhysiologySyreförbrukning
Human RelatedStamps, coins, misc.
Internet-källor
Estimates based on models
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.
