Signal Crayfish (Pacifastacus leniusculus) wildspecies.ca

Secure

Present in regions

Migratory species: Unknown

Taxonomic group:

Crayfishes

Learn more about all species of Crayfishes in Canada.

The General Status ranks do not have legal weight. They are meant to identify the species that may be at risk in Canada.

Access other data on this species on the NatureServe Explorer.

Common Names

English common name:

Signal Crayfish

In English, species in the superfamily Astacoidea are named "Crayfish".

French common name:

Écrevisse de Californie

In French, species in the superfamily Astacoidea are named "Écrevisse" (feminine).

Year	English common name	French common name
2005	Signal Crayfish	Écrevisse du Pacifique
2010	Signal Crayfish	Écrevisse du Pacifique
2015	Signal Crayfish	Écrevisse de Californie
2020	Signal Crayfish	Écrevisse de Californie

Source: iNaturalist

Scientific Names

Higher Classification:

Superkingdom

EUKARYOTA

Kingdom

ANIMALIA

Subkingdom

BILATERIA

Infrakingdom

PROTOSTOMIA

Superphylum

Ecdysozoa

Phylum

Arthropoda

Subphylum

Crustacea

Class

Malacostraca

Subclass

Eumalacostraca

Superorder

Eucarida

Year	Scientific name	Family	Order
2005	Pacifastacus leniusculus	Astacidae	Decapoda
2010	Pacifastacus leniusculus	Astacidae	Decapoda
2015	Pacifastacus leniusculus	Astacidae	Decapoda
2020	Pacifastacus leniusculus	Astacidae	Decapoda

Priority Score

This species is not designated as may be at risk

Trends in rounded national ranks

Year	Rounded National Rank	Description of the change	Reason for change	Notes
2005	Apparently Secure
2010	Apparently Secure
2015	Apparently Secure
2020	Apparently Secure

Original Ranks:

Canada
2005	Secure - 4
2010	Secure - 4
2015	Apparently Secure - N4
2020	Apparently Secure - N4

Yukon
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Northwest Territories
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Nunavut
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

British Columbia
2005	Secure - 4
2010	Secure - 4
2015	Apparently Secure - S4
2020	Apparently Secure - S4

Alberta
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Saskatchewan
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Manitoba
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Ontario
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Quebec
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

New Brunswick
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Nova Scotia
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Prince Edward Island
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Newfoundland and Labrador
2005	Not Present
2010	Not Present
2015
2020

Labrador
2005
2010
2015	Not Present
2020	Not Present

Newfoundland
2005
2010
2015	Not Present
2020	Not Present

Pacific Ocean
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Western Arctic Ocean
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Eastern Arctic Ocean
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Atlantic Ocean
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present