Calico crayfish
Faxonius immunis (Hagen, 1870)
Status not recordedcrabs and lobsters
The calico crayfish (Faxonius immunis) is a species in the family Cambaridae, order Decapoda.
No freely licensed photo yet
Quick facts about the calico crayfish
- Weight
- Not recorded
- Length
- Not recorded
- Lifespan
- Not recorded
- Main food
- Not recorded
- Habitat
- Not recorded
- Young per litter or clutch
- Not recorded
- Conservation status
- Not recorded
- Countries on record
- Not recorded
Where does the calico crayfish live?
Not recorded
Where has it been introduced?
The Global Register of Introduced and Invasive Species lists the calico crayfish as introduced in 2 countries, and flagged as invasive in 1 of them.
Introduced means brought by people and now present; invasive means the country's checklist records an impact. A species can be native to one part of a country and introduced in another. Source: Global Register of Introduced and Invasive Species (CC BY 4.0).
Is the calico crayfish endangered?
No conservation assessment is recorded for this species in our sources. That is not the same as being safe: it has not been matched to an assessment.
How is the calico crayfish classified?
- kingdomAnimalia
- phylumArthropoda
- classMalacostraca
- orderDecapoda
- familyCambaridae
- genusFaxonius
- SpeciesFaxonius immunis (Hagen, 1870)
Synonyms Cambarus immunis, Cambarus immunis spinirostris, Cambarus immunis var. spinirostris, Cambarus signifer, Faxonius immunis pedianus, Orconectes immunis
Other names and names in other languages (9)
- Papershell crayfishEnglish
- rak kalikovýCzech
- KalikokrebsGerman
- écrevisse CalicotFrench
- CalicotrivierkreeftDutch
- kalikåkräftaSwedish
- Kaliko-FlusskrebsGerman
- Kaliko-KrebsGerman
- écrevisse marbréeFrench
Relatives of the calico crayfish
Other species in the same genus Faxonius.
Delcore crayfish
Faxonius limosus
Virile crayfish
Faxonius virilis
Coldwater crayfish
Faxonius eupunctus
Spring river crayfish
Faxonius roberti
Rusty
Faxonius rusticus
Redspotted stream crayfish
Faxonius acares
CompareCalico crayfish vs Delcore crayfishCalico crayfish vs Virile crayfishCalico crayfish vs Coldwater crayfishCalico crayfish vs Spring river crayfish
Common questions
Answered only where our data holds the answer.
Is the calico crayfish an invasive species?
In some places. The Global Register of Introduced and Invasive Species flags the calico crayfish as invasive in 1 country: Germany. It lists it as introduced in 2 in all.
What kind of animal is the calico crayfish?
The calico crayfish (Faxonius immunis) belongs to the family Cambaridae in the order Decapoda.
Sources and how to cite this page
Data as of 2026-11-14. How this page is put together.
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CreatureData. (2026). Calico crayfish (Faxonius immunis). Retrieved from https://creaturedata.com/animals/calico-crayfish
“Calico crayfish (Faxonius immunis).” CreatureData, 2026, https://creaturedata.com/animals/calico-crayfish.
@misc{calico_crayfish_2026,
title = {Calico crayfish (Faxonius immunis)},
author = {{CreatureData}},
year = {2026},
url = {https://creaturedata.com/animals/calico-crayfish},
note = {Data as of 2026-11-14}
}