Preferred Scientific Name
- Pacifastacus fortis Faxon, 1914
Preferred Common Name
- Shasta crayfish
International Common Names
- English: placid crayfish
Datasheet
Pacifastacus fortis (Shasta crayfish)
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Generate reportTaxonomic Tree
Top of page- Domain: Eukaryota
- Kingdom: Metazoa
- Phylum: Arthropoda
- Subphylum: Crustacea
- Class: Malacostraca
- Subclass: Eumalacostraca
- Order: Decapoda
- Suborder: Reptantia
- Unknown: Astacoidea
- Family: Cambaridae
- Genus: Pacifastacus
- Species: Pacifastacus fortis
Invasive Species Threats
Top of page| Invasive Species | Where Threatened | Mechanism | References | Notes |
|---|---|---|---|---|
| Ameiurus melas (black bullhead) | California | Predation | US Fish and Wildlife Service, 2009 | |
| Ameiurus nebulosus (brown bullhead) | California | Predation | US Fish and Wildlife Service, 2009 | |
| Cyprinus carpio (common carp) | California | Predation | US Fish and Wildlife Service, 2009 | |
| Micropterus salmoides (largemouth bass) | California | Predation | US Fish and Wildlife Service, 2009b | |
| Pacifastacus leniusculus (American signal crayfish) | California | Competition - monopolizing resources; Predation | US Fish and Wildlife Service, 2009 | |
| Pomoxis nigromaculatus (black crappie) | California | Predation | US Fish and Wildlife Service, 2010 | |
| Salmo trutta (sea trout) | California | Predation | US Fish and Wildlife Service, 2009b |
References
Top of pageUS Fish and Wildlife Service, 2010. Warner sucker (Catostomus warnerensis). 5-Year Review: Summary and Evaluation. Washington DC, USA: USFWS. http://ecos.fws.gov/docs/five_year_review/doc3356.pdf