NAS - Nonindigenous Aquatic Species
Montana Field Guides. 2018. Calico Crayfish - Orconectes immunis. http://fieldguide.mt.gov/speciesDetail.aspx?elcode=ICMAL11450. Accessed on 01/17/2018.
Reference Number: 30913 Type: Web Page Author: Montana Field Guides Date (year): 2018 Title:Calico Crayfish - Orconectes immunis URL: http://fieldguide.mt.gov/speciesDetail.aspx?elcode=ICMAL11450 Accessed on: 01/17/2018 Created on: Keywords: Calico Crayfish, Orconectes immunis, Faxonius immunis, Montana
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. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [2/18/2025].
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.