Pacifastacus leniusculus   (Dana, 1852)

Signal crayfish
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Pacifastacus leniusculus

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

Malacostraca | Decapoda | Astacidae

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

Benthic; freshwater.  Temperate

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Introduced in Europe & Northern Asia (excluding China).

Length at first maturity / Size / Weight / Age

Maturity: Lm 9.0, range 6 - ? cm Max length : 15.9 cm TL male/unsexed; (Ref. 127979); max. published weight: 175.00 g (Ref. 127979)

Biology     Glossary (e.g. epibenthic)

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

Gollasch, S. and S. Nehring. 2006. (Ref. 3700)

IUCN Red List Status (Ref. 130435: Version 2024-1)

  Least Concern (LC) ; Date assessed: 01 June 2010

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses

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

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More information

Trophic Ecology
Food items
Diet
Food consumption
Ration
Predators
Ecology
Ecology
Home ranges
Population dynamics
Growth
Age/Size
Length-weight
Length-length
Length-frequencies
Mass conversion
Recruitment
Abundance
Life cycle
Reproduction
Maturity
Fecundity
Spawning
Eggs
Egg development
Larvae
Larval dynamics
Human Related
Aquaculture profile
Stamps, Coins Misc.
Outreach
Taxonomy
References

Internet sources

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Fisheries: ; 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

Vulnerability (Ref. 71543): Low vulnerability (10 of 100).
Price category (Ref. 80766): Unknown.