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Portunus trituberculatus   (Miers, 1876)

Gazami crab

Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Portunus trituberculatus  AquaMaps  Data sources: GBIF OBIS
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 Images Google |
Image of Portunus trituberculatus (Gazami crab)
No image available for this species;
drawing shows typical species in Portunidae.

China country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: never/rarely | Ref:
Regulations: no regulations | Ref:
Uses: no uses
Comments: Common shell length: 10 cm, 1.2 to 20.8 cm (range), male. Common weight: 121.5 g, 0.3 to 570 g, male (Ref. 75927). C: Refs. 75927, 81330, 81332; M: Ref. 343.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ch.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Zheng, Y., X. Chen, J. Chen, Y. Wang, X. Shen, W. Chen and C. Li, 2003
National Database:

Common names from other countries

Crabe gazami, ... more

Classification / Names / Names Noms communs | Synonymes | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS

> Decapoda (Lobster, shrimp and crabs) > Portunidae (swimming crabs)

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

Benthopélagique; profondeur 0 - 50 m (Ref. 125642).   Tropical, preferred 24°C (Ref. 107945)

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Introductions

Indo-West Pacific.

Length at first maturity / Taille / Poids / Âge

Maturity: Lm 13.1  range ? - ? cm Max length : 15.9 cm CW mâle / non sexé; (Ref. 125642)

Description synthétique Morphologie

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.

Biologie     Glossaire (ex. 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 Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

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

Référence principale Références | Coordinateur | Collaborateurs

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

Statut dans la liste rouge de l'IUCN (Ref. 130435)

  Non évalué 

statut CITES (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless

Utilisations par l'homme

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

Outils

E-book | Guide de terrain

Sources Internet

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(pêcheries: species profile; publication : search) | GenBank (genome, nucleotide) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Arbre de Vie | Wikipedia (Go, chercher) | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 13.8 - 29.1, mean 28 (based on 1586 cells).
Résilience (Ref. 69278) Haut, temps minimum de doublement de population inférieur à 15 mois (K=0.44-1.76).
Prior r = 1.19, 95% CL = 0.79 - 1.79, Based on 2 data-limited stock assessments.
Vulnérabilité (Ref. 71543): Low vulnerability (10 of 100).
Catégorie de prix (Ref. 80766): Very high.