Placid 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

Not recorded

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.

1. kingdomAnimalia
2. phylumArthropoda
3. classMalacostraca
4. orderDecapoda
5. familyAstacidae
6. genusPacifastacus
7. SpeciesPacifastacus fortis (Faxon, 1914)

Synonyms Astacus nigrescens fortis

Catalogue of Life

LC, Least Concern

Signal crayfish

Pacifastacus leniusculus

Astacidae

S

Sooty crayfish

Pacifastacus nigrescens

AstacidaeNo free photo yet

S

Snake river pilose crayfish

Pacifastacus connectens

AstacidaeNo free photo yet

P

Pilose crayfish

Pacifastacus gambelii

AstacidaeNo free photo yet

P

Pacifastacus chenoderma

AstacidaeNo free photo yet

M

Misfortunate crayfish

Pacifastacus malheurensis

AstacidaeNo free photo yet

ComparePlacid crayfish vs Signal crayfishPlacid crayfish vs Sooty crayfishPlacid crayfish vs Snake river pilose crayfishPlacid crayfish vs Pilose crayfish

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@misc{pacifastacus_fortis_2026,
  title = {Placid crayfish (Pacifastacus fortis)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/pacifastacus-fortis},
  note = {Data as of 2026-11-11}
}