CreatureData

Allegheny crayfish

Faxonius obscurus (Hagen, 1870)

Status not recordedcrabs and lobsters

The allegheny crayfish (Faxonius obscurus) is a species in the family Cambaridae, order Decapoda.

No freely licensed photo yet

Quick facts about the allegheny 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 allegheny crayfish live?

Not recorded

Where has it been introduced?

The Global Register of Introduced and Invasive Species lists the allegheny crayfish as introduced in 1 country.

  1. Canada

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 allegheny 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 allegheny crayfish classified?

  1. kingdomAnimalia
  2. phylumArthropoda
  3. classMalacostraca
  4. orderDecapoda
  5. familyCambaridae
  6. genusFaxonius
  7. SpeciesFaxonius obscurus (Hagen, 1870)

Synonyms Cambarus obscurus, Cambarus propinquus obscurus, Orconectes obscurus

Other names and names in other languages (2)
  • rak hnědavýCzech
  • Écrevisse obscureFrench

Catalogue of Life

Relatives of the allegheny crayfish

Other species in the same genus Faxonius.

Rusty

Faxonius rusticus

CambaridaeNo free photo yet

CompareAllegheny crayfish vs Delcore crayfishAllegheny crayfish vs Calico crayfishAllegheny crayfish vs Virile crayfishAllegheny crayfish vs Coldwater crayfish

Common questions

Answered only where our data holds the answer.

Is the allegheny crayfish an invasive species?

The Global Register of Introduced and Invasive Species lists the allegheny crayfish as introduced in 1 country: Canada, but does not flag it as invasive in any of them.

What kind of animal is the allegheny crayfish?

The allegheny crayfish (Faxonius obscurus) 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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APA

CreatureData. (2026). Allegheny crayfish (Faxonius obscurus). Retrieved from https://creaturedata.com/animals/allegheny-crayfish

MLA

“Allegheny crayfish (Faxonius obscurus).” CreatureData, 2026, https://creaturedata.com/animals/allegheny-crayfish.

BibTeX
@misc{allegheny_crayfish_2026,
  title = {Allegheny crayfish (Faxonius obscurus)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/allegheny-crayfish},
  note = {Data as of 2026-11-14}
}