Geukensia demissa   (Dillwyn, 1817)

Ribbed mussel
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Geukensia demissa

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

| Mytilida | Mytilidae

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

; brackvatten; djupintervall 0 - 20 m (Ref. 83435).  Tropical; 64°N - 24°N, 174°W - 52°W (Ref. 3446)

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Utplanteringar

Western Atlantic and Eastern Pacific.

Length at first maturity / Size / Vikt / Age

Maturity: Lm ?  range ? - ? cm Max length : 12.0 cm TL hane/ej könsbestämd; (Ref. 7726)

Biologi     Ordlista (t.ex. epibenthic)

Western Central Atlantic; Northwest Atlantic: Canada to northeastern Florida; Gulf of Mexico; introduced to California. 8 cm, total length. It lives attached to hard substrates intertidally or at shallow subtidal depths. Diagnostic features: Shell mussel-shaped, thin but strong. Shell margins crenulated. Sculpture of strong, numerous, bifurcating radial ribs, weaker on anteroventral area. Hinge teeth absent. Colour: externally variable, usually yellowish brown, greenish brown, or dark brown, internally bluish white with posterior end (rounded area) purplish (Ref. 271). Maximum depth range based on its ecology; to be replaced with a better reference. It is a key bivalve species mainly found in salt marshes (Refs. 123486, 126240). It lives attached to hard substrates intertidally or at shallow subtidal depths (Ref. 271). It has mutualistic relationship with cordgrass Spartina alterniflora (Ref. 126240).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

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 referenser | Koordinator | Medarbetare

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

IUCN Red List Status (Ref. 130435)

  Not Evaluated 

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses

Fiskeri: kommersiell
| FishSource |

Verktyg

E-book | Fälthandbok

Ytterligare information

Länder
FAO områden
Ekosystem
Förekomster
Utplanteringar
Stocks
Ekologi
Föda
Födoslag
Populärnamn
synonymer
Predatorer
Reproduktion
Könsmognad
Lek
Fecundity
Ägg
Egg development
Age/Size
Tillväxt
Length-weight
Length-length
Morfologi
Larver
Abundans
referenser
Mass conversion
Medarbetare
Bilder

Internet-källor

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

Estimates based on models

Resiliens (Ref. 69278): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (K=0.19-0.33).
Vulnerability (Ref. 71543): Low to moderate vulnerability (32 of 100).
Price category (Ref. 80766): Medium.