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Tridacna derasa   (Röding, 1798)

Smooth giant clam

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


Tuvalu country information

Common names: [No common name]
Occurrence: introduced
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/tv.html
National Fisheries Authority: http://www.spc.org.nc/coastfish/Countries/tuvalu/tuvalu.htm
Occurrences: Occurrences Point map
Main Ref: Bartley, D.M. (comp./ed.), 2006
National Database:

Common names from other countries

Classification / Names / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS

Bivalvia > Cardiida () > Cardiidae (cockles)

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

Benthic; depth range 0 - 20 m (Ref. 348), usually 0 - 15 m (Ref. 75831).   Tropical; 23°C - 30°C (Ref. 102835); 19°N - 34°S, 100°E - 174°W (Ref. 106696)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Indo-West Pacific.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 60.0 cm SHL male/unsexed; (Ref. 348); common length : 50.0 cm SHL male/unsexed; (Ref. 348)

Short description Morphology

It is characterized by a low primary and radial sculpture, variable shape, massive umbonal area and smooth white shell.

Biology     Glossary (e.g. epibenthic)

Locally exploited for meat and shell. This species was previously quite abundant, but has been over collected in many areas. Aquaculture attempts being made (Ref. 348).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Life cycle: Embryos develop into free-swimming trocophore larvae, succeeded by the bivalve veliger, resembling a miniature clam (Ref. 833).

Main reference References | Coordinator | Collaborators

SAUP Database. 2006. (Ref. 356)

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

  Vulnerable (VU) (A2cd); Date assessed: 01 August 1996

CITES status (Ref. 108899)


CMS (Ref. 116361)

Not Evaluated

Human uses

Fisheries: commercial
FAO - Aquaculture: production; | FishSource | Sea Around Us

Tools

More information

Common names
Synonyms
Predators
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Morphology
Larvae
Abundance
References
Mass conversion

Internet sources

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(; publication : search) | 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): 24.7 - 29.3, mean 28.6 (based on 2248 cells).
Resilience (Ref. 69278) Low, minimum population doubling time 4.5 - 14 years (K=0.11-0.11; tm=4).
Vulnerability (Ref. 71543): High vulnerability (57 of 100).
Price category (Ref. 80766): Unknown.