Magallana gigas, Giant cupped oyster : fisheries
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Magallana gigas   (Thunberg, 1793)

Giant cupped oyster
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Magallana gigas
Picture by FAO

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

Bivalvia | Ostreida | Ostreidae

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

Benthic; brackish; depth range 0 - 15 m (Ref. 348).  Subtropical; 15°C - 30°C (Ref. 76803), preferred 13°C (Ref. 107945); 62°N - 21°N, 113°E - 174°E

Distribution Territories | FAO areas | Ecosystems | Occurrences | Introductions

Northwest Pacific: from Hong Kong, east to Taiwan, and north to Kamchatka, Russia. Introduced in the rest of the Pacific, Atlantic, Indian Ocean and the Mediterranean.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 45.0 cm SHL male/unsexed; (Ref. 348); common length : 15.0 cm SHL male/unsexed; (Ref. 348)

Biology     Glossary (e.g. epibenthic)

A major commercial species. Introduced for aquaculture in many countries. However experimental plantings in tropical western Pacific Islands often failed, apparently because of the sustained high temperature of the water (Ref. 348). Littoral and circalittoral rock and other hard substrata as well as littoral and sublittoral sediments (Ref. 1314). It is a sessile-burrower, suspension feeder (Ref. 96498).

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

Main reference References | Coordinator | Collaborators

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. (Ref. 348)

IUCN Red List Status (Ref. 130435: Version 2025-2 (Global))

  Not Evaluated 

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses

Fisheries: commercial
FAO - Aquaculture Systems: species profile, production search; Fisheries: species profile, landings search; Publication: search | FishSource | Sea Around Us

Tools

E-book | Field guide

More information

Trophic Ecology
Food items (preys)
Diet composition
Food consumption
Predators
Ecology
Ecology
Population dynamics
Growth
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundance
Life cycle
Reproduction
Maturity
Fecundity
Spawning
Eggs
Egg development
Larvae
Distribution
Territories
FAO areas
Ecosystems
Occurrences
Introductions
Physiology
Oxygen consumption
Human Related
Stamps, coins, misc.
Outreach
Collaborators
Taxonomy
Common names
Synonyms
Morphology
Pictures
References
References

Internet sources

BHL | BOLD Systems | CISTI | DiscoverLife | FAO - Aquaculture Systems: species profile, production search; Fisheries: species profile, landings search; 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

Resilience
(Ref. 69278):		 High, minimum population doubling time less than 15 months (K=0.01-2.69)
Rate of population increase
 Prior r = 0.57, 95% CL = 0.37 - 0.85, Based on 3 data-limited stock assessments.
Fishing Vulnerability
(Ref. 71543)		 Low vulnerability (23 of 100).
Climate Vulnerability
(Ref. 125649)		 Moderate to high vulnerability (55 of 100)
Price category
(Ref. 80766):		 High.
Nutrients
 Calcium = 149 [71, 228] mg/100g; Iron = 8.53 [1.95, 15.11] mg/100g; Protein = 9.88 [8.64, 11.12] %; Omega3 = 0.313 [0.202, 0.423] g/100g; Selenium = 61 [50, 72] μg/100g; VitaminA = 0 μg/100g; Zinc = 2.04 [0.56, 3.51] mg/100g (wet weight); based on nutrient studies.