Gemma gemma   (Totten, 1834)

Amethyst gemclam

Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Gemma gemma  AquaMaps  Data sources: GBIF OBIS
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drawing shows typical species in Veneridae.

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

Bivalvia | Venerida | Veneridae

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

Benthic; depth range 0 - 66 m (Ref. 83435).  Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Western Atlantic.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 0.4 cm DL male/unsexed; (Ref. 83435); max. reported age: 4 years (Ref. 8702)

Biology     Glossary (e.g. epibenthic)

Maximum depth from Ref. 104365.

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

Miloslavich, P., J.M. Díaz, E. Klein, J.J. Alvarado, C. Díaz, J. Gobin, E. Escobar-Briones, Motta, J.J. Cruz, E. Weil, J. Cortés, A.C. Bastidas, R. Roberston, F. Zapata, A. Martín, J. Castillo, A. Kazandjian and M. Ortiz. 2010. (Ref. 86671)

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


CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses


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References

Internet sources

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, Search) | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 7.5 - 26.4, mean 23.7 (based on 362 cells).
Vulnerability (Ref. 71543): Low vulnerability (21 of 100).
Price category (Ref. 80766): Medium.