Specimen Information

Faxonius virilis
Faxonius virilis
(Virile Crayfish)
Native Transplant

Specimen ID283241
Common NameVirile Crayfish
LocalityPotomac River (side channel) at railroad yard adjacent to US 522 bridge
Mapping AccuracyAccurate
HUC8 NameConococheague-Opequon
HUC8 Number02070004
HUC10 NameLittle Tonoloway Creek-Potomac River
HUC10 Number0207000405
HUC12 NameSir Johns Run-Potomac River
HUC12 Number020700040502
Collection Day6
Collection Month6
Collection Year2007
Year AccuracyActual
Potential Pathwayreleased bait
Reference 1
Ref. Number:24513
Author:Loughman, Z.
Title:Orconectes virilis and Orconectes rusticus collection in West Virginia.
CommentsPrimary collection number: 070606-01. "potomac river site channel adjacent to rail road yard at 522 bridge. Site homogonous with substrate types; very little available habitat. Not conductive for crayfishes. weak shoulder present on gonapod; likely c. obscurus. Both chelae missing making ID questonable."
Record TypeLiterature


The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2023]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [11/29/2023].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted.

For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.