File:Signal_crayfish_female_Pacifastacus_leniusculus.JPG · Wikimedia Commons · See Wikimedia Commons
OverviewAI-generated
The signal crayfish, scientifically known as *Pacifastacus leniusculus*, is a species of freshwater crustacean. It belongs to the family Astacidae within the order Decapoda, class Malacostraca, and phylum Arthropoda. The taxon is accepted under the authority of Dana, 1852, and is also referred to by the common names Columbia River Signal Crayfish and Klamath Signal Crayfish.
This organism is classified as a taxon with the rank of species. Its IUCN conservation status is listed as Least Concern. The signal crayfish is noted as being invasive to the European Union.
Synthesized by Vinony from 20 facts across 3 sources: Wikidata, WoRMS, Vinony graph. Generated from structured data (not the Wikipedia text) and checked against those facts — may still contain errors.
Species
signal crayfish
Species
- PhylumArthropoda
- ClassMalacostraca
- OrderDecapoda
- FamilyAstacidae
信號小龍蝦（英語：signal crayfish；學名：Pacifastacus leniusculus），又名通訊螯蝦，是太平洋鰲蝦屬下的一種鰲蝦，原產於于北美洲。1960年代引進歐洲以補充因龍蝦瘟疫真菌而大規模滅絕的奥斯塔欧洲螯虾，但實際上信號小龍蝦才是小龍蝦瘟疫真菌的攜帶者。此外在世界其他一些地區信號小龍蝦也是入侵物種。
via
Wikidata facts
- Instance of
- taxon
- Parent taxon
- Pacifastacus
- Image
- Pacifastacus leniusculus 01 by-dpc.jpg
Show 8 more facts
- taxon rank
- species
- IUCN conservation status
- Least Concern
- taxon name
- Pacifastacus leniusculus
- Commons category
- Pacifastacus leniusculus
- Commons gallery
- Pacifastacus leniusculus
- taxon common name
- signalni rak
- invasive to
- European Union
- short name
- P. leniusculus
via Wikidata · CC0
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Encyclopedic overview
Pacifastacus leniusculus, commonly known as the signal crayfish, is a species of freshwater crayfish in the family Astacidae, native to western North America. They are thought to have originated from the Columbia River Basin.
Physically, they are characterized by a smooth carapace and a distinctive white to pale blue-green patch at the base of the claw joint. Reminiscent of the white flags that signalmen used for directing trains, this light patch is responsible for the species' common name. Due to its heightened aggression and opportunistic polytrophic diet,P. leniusculus has become an established invasive species found across North America, Europe, and Japan, displacing many of the regions’ native species.
Excerpted from Wikipedia’s “signal crayfish” article, available under the CC BY-SA 4.0 licence.