Isognomon ephippium, Saddle tree oyster

Isognomon ephippium   (Linnaeus, 1758)

Saddle tree oyster

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

Classification / Names Κοινά ονόματα | Συνώνυμα | CoL | ITIS | WoRMS

Bivalvia | Ostreida | Isognomonidae

Environment: milieu / climate zone / εύρος βάθους / distribution range Οικολογία

; Υφάλμυρο.  Tropical

Distribution Χώρες | Περιοχές FAO | Οικοσυστήματα | Παρουσίες | Εισαγωγές

Indo-West Pacific: from East Africa, to Melanesia; north to Japan and south to Indonesia.

Length at first maturity / Μέγεθος / Weight / Age

Γεννητική Ωρίμανση: Lm ?  range ? - ? cm Max length : 14.0 cm SHL αρσενικό/απροσδιόριστο; (Αναφ. 348); common length : 10.0 cm SHL αρσενικό/απροσδιόριστο; (Αναφ. 348)

Short description Μορφολογία

Shell variable, irregularly rounded in outline, with height about equal to length. Dorsal margin straight and relatively short, not expanded posteriorly in a wing-like ear. Anterior margin sharply sinuous dorsally, ventrally strongly convex and extending well forward of umbones. Posterior margin slightly concave, forming an obsolete angulation with the rounded ventral margin. Umbones small, pointing at anterior end of dorsal margin. Outer surface covered with concentric lamellar processes, with very low radial ridge ending at posteroventral angulation. Ligamental area with a dozen transverse grooves. Nacreous area of the inner side of shell surrounded by a broad, non-nacreous margin. Colour: outside of shell horny to purplish brown. Interior nacreous, with a broad dark brown margin.

Βιολογία     Γλωσσάρι (π.χ. epibenthic)

Attached to rocks and other hard substrates, in marine and brackish water areas (Ref. 348), with sandy and muddy bottoms (Ref. 128042). Common in muddy estuaries and mangrove where it attaches to prop roots. Littoral and shallow subtidal levels (Ref. 348).

Life cycle and mating behavior Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Eggs | Γονιμότητα | 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 Αναφορές | Συντονιστής | Συνεργάτες

Poutiers, J.M. 1998 Bivalves. Acephala, Lamellibranchia, Pelecypoda. p. 123-362. In Carpenter, K. E. and V. H. Niem. 1998. FAO species identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Volume 1. Seaweeds, corals, bivalves, and gastropods. Rome, FAO. (Αναφ. 348)

IUCN Red List Status (Αναφ. 130435: Version 2025-1)


CITES status (Αναφ. 108899)

Not Evaluated

CMS (Αναφ. 116361)

Not Evaluated

Threat to humans

  Harmless

Human uses


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Εργαλεία

Περισσότερες πληροφορίες

Τροφική Οικολογία
Food items (preys)
Σύσταση δίαιτας
Κατανάλωση τροφής
Θηρευτές
Οικολογία
Population dynamics
Αύξηση
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Αφθονία
Life cycle
Αναπαραγωγή
Γεννητική Ωρίμανση
Γονιμότητα
Γεννοβολία
Eggs
Egg development
Larvae
Distribution
Physiology
Κατανάλωση οξυγόνου

Διαδικτυακές πηγές

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | Fishipedia | GenBank (genome, nucleotide) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Δέντρο Ζωής | Wikipedia (Go, αναζήτηση) | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 23.9 - 29.3, mean 28.4 (based on 3365 cells).
Fishing Vulnerability (Αναφ. 71543): Low vulnerability (10 of 100).
Price category (Αναφ. 80766): Unknown.