Faxonius rusticus
Faxonius rusticus
(Rusty Crayfish)
Crustaceans-Crayfish
Native Transplant
Collection Info
Point Map
Species Profile
Animated Map
Impacts

24 results for Faxonius rusticus (Rusty Crayfish)

Impact ID Scientific Name Impact Type Study Type Study Location Impact Description Reference
1789 Faxonius rusticus Predation/Herbivory Experimental Laboratory During mesocosm experiments, F. rusticus reduced the abundance of the native snail species... 24564
1790 Faxonius rusticus Predation/Herbivory Experimental Laboratory During mesocosm experiments, F. rusticus reduced the abundance of the native snail species... 24564
1791 Faxonius rusticus Predation/Herbivory Anecdotal N/A Walleye (Sander vitreum) eat a significant number of Faxonius rusticus. 25542
1792 Faxonius rusticus Predation/Herbivory Experimental Laboratory Faxonius rusticus reduced the number of Faxonius propinquus in an experiement... 20638
1793 Faxonius rusticus Predation/Herbivory Experimental Laboratory Faxonius rusticus reduces macrophyte biomass through both consumption and noncompsumtive... 14834
1794 Faxonius rusticus Predation/Herbivory Observational Field Many native fish species feed on F. rusticus. 27343
1795 Faxonius rusticus Predation/Herbivory Observational Laboratory The imperiled, native Eastern hellbender, Cryptobranchus alleganiensis, feeds on the introduced... 32126
7715 Faxonius rusticus Predation/Herbivory Anecdotal N/A F. rusticus significantly reduced trout egg abundance, hampering trout rehabilitation... 42166
8180 Faxonius rusticus Predation/Herbivory Observational Field mudpuppies were found to consume invasive rusty crayfish 42170
8457 Faxonius rusticus Predation/Herbivory Experimental Laboratory Rusty crayfish were highly successful in preying on juvenile lake sturgeon (all crayfish... 42173
8458 Faxonius rusticus Predation/Herbivory Experimental Laboratory Rusty crayfish consumed significant quantities of lake sturgeon eggs. Egg conssumption increased... 42174
9333 Faxonius rusticus Predation/Herbivory Observational Field Documents diet plasticity in the native range, including seasonal diet shifts and speculates that... 42190
9413 Faxonius rusticus Predation/Herbivory Observational Field Faxonius rusticus preys on snails. In Trout Lake, Wisconsin snail abundance declined by... 24564
9414 Faxonius rusticus Predation/Herbivory Observational Field Faxonius rusticus reduced abundance and species richness of native snails in northern... 13663
9415 Faxonius rusticus Predation/Herbivory Experimental Laboratory Faxonius rusticus prey on threatened, native bivalves in northeastern United States.... 17652
9416 Faxonius rusticus Predation/Herbivory Observational Field Faxonius rusticus prey on threatened, native bivalves in northeastern United States.... 17653
9419 Faxonius rusticus Predation/Herbivory Experimental Laboratory A lab experiment demonstrated the impact crayfish have on pumpkinseed (Lepomis gibbosus)... 25550
9420 Faxonius rusticus Predation/Herbivory Observational Field Another threat posed to fish populations by Faxonius rusticus is the consumption of fish... 25560
9421 Faxonius rusticus Predation/Herbivory Anecdotal N/A Predation of fish eggs by Faxonius rusticus is expected to have negative effects on some... 25564
9422 Faxonius rusticus Predation/Herbivory Anecdotal N/A Faxonius rusticus predation of fish eggs threatens fish species, specifically trout. 25569
9423 Faxonius rusticus Predation/Herbivory Observational Field Faxonius rusticus preys on the eggs of lake trout (Salvelinus namaycush) in Lake... 32547
9424 Faxonius rusticus Predation/Herbivory Observational Field There are several lake trout (Salvelinus namaycush) spawning reefs in the southern basin... 42883
9425 Faxonius rusticus Predation/Herbivory Observational Field Bluegill (Lepomis macrochirus) and pumpkinseed (L. gibbosus) declined in Trout... 26293
9426 Faxonius rusticus Predation/Herbivory Experimental Laboratory Invasive Faxonius rusticus have been hypothesized to negatively impact Cryptobranchus... 42884

View all impact types for Faxonius rusticus
Data Disclaimer: These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.

Disclaimer:

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 [4/18/2025].

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.