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Paralithodes platypus   Brandt, 1850

blue king crab

Native range
Reviewed map
Paralithodes platypus   AquaMaps   Data sources: GBIF OBIS
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Paralithodes platypus
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drawing shows typical species in this Family.

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

Malacostraca | Decapoda | Lithodidae | Lithodinae

Environment / Climate / Range Ecology

Benthic; depth range 25 - 489 m (Ref. 101157).  Temperate, preferred 4°C (Ref. 107945); 66°N - 36°N, 131°E - 132°W

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Northern Pacific: Alaska, Russia and Japan.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 22.0 cm CW male/unsexed; (Ref. 110584); 16 cm CW (female); max. published weight: 4.5 kg (Ref. 110584); max. published weight: 4.5 kg

Biology     Glossary (e.g. epibenthic)

Prefers disparate, deep habitats with cobble, gravel, and rock (Ref. 110607). Exhibits cannibalism (Ref. 101157). Life cycle: The species undergoes four zoeal stages, molts into glaucothoe stage then to juvenile stage, and matures into adult stage. Mating behavior: Biennial reproduction, mating occurs in shallow waters (Ref. 110566). 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

Life cycle: The species undergoes four zoeal stages, molts into glaucothoe stage then to juvenile stage, and matures into adult stage. Mating behavior: Biennial reproduction, mating occurs in shallow waters (Ref. 110566). Precopulatory courtship ritual is common (through olfactory and tactile cues); usually indirect sperm transfer (Ref. 833).

Main reference References | Coordinator | Collaborators

Bisby, F.A., M.A. Ruggiero, K.L. Wilson, M. Cachuela-Palacio, S.W. Kimani, Y.R. Roskov, A. Soulier-Perkins and J. van Hertum. 2005. (Ref. 19)

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

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(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

Price category (Ref. 80766)
High