Carcinus maenas   (Linnaeus, 1758)

green crab

Native range
Reviewed map
Carcinus maenas   AquaMaps   Data sources: GBIF OBIS
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Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Malacostraca | Decapoda | Portunidae

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

Benthic; brackish; depth range 0 - 200 m (Ref. 2779), usually 0 - 6 m (Ref. 114208).  Subtropical; -1°C - 22°C (Ref. 114208), preferred 12°C (Ref. 107945); 70°N - 22°N, 20°W - 19°E (Ref. 114232)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Eastern Atlantic: From Great Britain north to Iceland, the North Sea and Norway, south to Portugal and Spain to Mauritania. Introduced and established in North America, South Africa (Cape Town), and Australia. Introduced but not established in Panama, Brazil, Pakistan, Sri Lanka, Madagascar, Myanmar, Japan and Hawaii. Subtropical to polar.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?, range 2 - ? cm Max length : 6.0 cm CL male/unsexed; (Ref. 435); common length : 4.0 cm CL male/unsexed; (Ref. 435)

Biology     Glossary (e.g. epibenthic)

Maximum carapace width: 7.7 cm; commonly 5 cm wide. Inhabits shallow water from the intertidal area down to 200 m. Lives under stones, on muddy or muddy sand bottoms, or hard bottom, etc. Also inhabits brackish lagoons (Ref. 2779). Members of the order Decapoda are mostly gonochoric. Mating behavior: Precopulatory courtship ritual is common (through olfactory and tactile cues); usually indirect sperm transfer (Ref. 833).

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

Fischer, W., G. Bianchi and W.B. Scott (eds.). 1981. (Ref. 435)

IUCN Red List Status (Ref. 115185)

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses

Fisheries: commercial
FAO(fisheries: production) | FishSource | Sea Around Us

Internet sources

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(fisheries: ; publication : search) | GenBank (genome, nucleotide) | GloBI | GOBASE | Google Books | Google Scholar | Google | ispecies | PubMed | Scirus | Tree of Life | uBio | uBio RSS | Wikipedia (Go, Search) | Zoological Record

Estimates of some properties based on models

Preferred temperature (Ref. 115969): 7 - 12.7, mean 9.6 (based on 453 cells).
Vulnerability (Ref. 71543)
Low vulnerability (10 of 100)
Price category (Ref. 80766)
Very high