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Signal crayfish
| Pacifastacus leniusculus | |
|---|---|
| |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Malacostraca |
| Order: | Decapoda |
| Suborder: | Pleocyemata |
| Family: | Astacidae |
| Genus: | Pacifastacus |
| Species: | P. leniusculus
|
| Binomial name | |
| Pacifastacus leniusculus | |
The signal crayfish (Pacifastacus leniusculus) is a species of crayfish indigenous to North America. Introduced to Europe in the 1960s to supplement the North European Astacus astacus fisheries, which were being damaged by crayfish plague, it was subsequently discovered that the signal was itself a carrier of that disease. Consequently, the signal crayfish is now considered an invasive species across Europe, Japan, and California, having displaced the native species in these regions.
- ^ Cite error: The named reference
IUCNwas invoked but never defined (see the help page). - ^ "Pacifastacus leniusculus (Dana, 1852)". Integrated Taxonomic Information System. Retrieved December 18, 2019.
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