About Cambarus monongalensis Ortmann, 1905
Cambarus monongalensis Ortmann, 1905, commonly called the blue crayfish or Monongahela crayfish, is a burrowing crayfish species. It is native to Pennsylvania and West Virginia, and has recently been discovered in Ohio as well. Its common name is derived from the Monongahela River; the first known specimens of this species were collected from Edgewood Park, Allegheny County, Pennsylvania. It is classified as a species of Least Concern on the IUCN Red List. This species should not be confused with Procambarus alleni, which is also called the blue crayfish, is endemic to Florida, and is a popular aquarium crustacean.
