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Portunus trituberculatus   (Miers, 1876)

Gazami crab

Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Portunus trituberculatus  AquaMaps  Data sources: GBIF OBIS
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drawing shows typical species in Portunidae.

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

Malacostraca | Decapoda | Portunidae

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

Benthopelagic; depth range 0 - 50 m (Ref. 343).  Tropical, preferred 24°C (Ref. 107945)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Indo-West Pacific.

Length at first maturity / Size / Weight / Age

Maturity: Lm 1.0  range ? - ? cm Max length : 15.0 cm CW male/unsexed; (Ref. 343)

Short description Morphology

Carapace tough to granulose, regions discernible; front with 3 acutely triangular teeth; 9 teeth on each anterolateral margin, the last tooth much larger than preceding teeth. Larger chela with conical tooth at base of fingers; pollex ridged. Color: carapace dull green to brown.

Biology     Glossary (e.g. epibenthic)

Minimum depth assumed from its ecology. Shallow waters up to depths of 50 m. Inhabits sandy to sandy-muddy substrates (Ref. 343). Benthopelagic predator, feeding mainly on bivalves (Lamellibranchia), benthic crustaceans, fishes and cephalopods (Ref. 117071).

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

Members of the order Decapoda are mostly gonochoric. Mating behavior: Precopulatory courtship ritual is common (through olfactory and tactile cues); usually indirect sperm transfer.

Main reference References | Coordinator | Collaborators

Ng, P.K.L. 1998. (Ref. 343)

IUCN Red List Status (Ref. 124695)


CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless

Human uses

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

Tools

Internet sources

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Fisheries: species profile; publication : search) | GenBank (genome, nucleotide) | GloBI | Gomexsi | Google Books | Google Scholar | Google | ispecies | PubMed | Tree of Life | Wikipedia (Go, Search) | Zoological Record

Estimates of some properties based on models

Preferred temperature (Ref. 115969): 13.8 - 29.1, mean 28 (based on 1586 cells).
Resilience (Ref. 69278)
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)
Prior r = 1.19, 95% CL = 0.79 - 1.79, Based on 2 stock assessments.
Vulnerability (Ref. 71543)
Low vulnerability (10 of 100)
Price category (Ref. 80766)
Very high