Faxonius rusticus
Faxonius rusticus
(Rusty Crayfish)
Crustaceans-Crayfish
Native Transplant
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Impacts

29 results for Faxonius rusticus (Rusty Crayfish)

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Impact ID Scientific Name Impact Type Study Type Study Location Impact Description Reference
1897 Faxonius rusticus Food Web Observational Field Benthic invertebrate community densities are reduced greatly in the presence of rusty crayfish in... 17942
1901 Faxonius rusticus Food Web Experimental Field Native crayfish change their behaviors in the presence of the nonnative Faxonius rusticus. 30954
1902 Faxonius rusticus Food Web Experimental Field The introduction of F. rusticus results in the reduction in macroinvertebrate densities in... 30953
7697 Faxonius rusticus Food Web Anecdotal N/A F. rusticus has a direct and significant negative effect on invertebrate taxa and densities, while... 42162
7698 Faxonius rusticus Food Web Anecdotal N/A F. rusticus substantially reduces invertebrate densities in both cobble and leaf pack substrates. 42162
7699 Faxonius rusticus Food Web Anecdotal N/A F. rusticus signficantly reduced population densities of Gastropoda, Diptera, and Ephemeroptera 42162
7700 Faxonius rusticus Food Web Anecdotal N/A both native (F. propinquus) and non-native rusty crayfish had similar effects on macroinvertebrate... 42162
7702 Faxonius rusticus Food Web Anecdotal N/A snail abundance declined 'catastrophically' with the invasion of rusty crayfish 42162
7703 Faxonius rusticus Food Web Anecdotal N/A bluegill and pumpkinseed decline following invasion by F. rusticus 42162
9221 Faxonius rusticus Food Web Experimental Field direct impacts of rusty crayfish are more important in cobble habitat, indirect impacts (via... 42177
9332 Faxonius rusticus Food Web Observational Field F. rusticus populations in many WI lakes follow a boom-bust trajectory - recovery lags with snails... 42189
9354 Faxonius rusticus Food Web Experimental Field Faxonius rusticus has a greater impact on macroinvertebrates (mostly hydropsychids) in fast current. 42191
9397 Faxonius rusticus Food Web Observational Field Reduction in the total quantity of zoobenthos, larval midges, mayflies, dragonflies, and stoneflies... 25570
9399 Faxonius rusticus Food Web Anecdotal N/A Faxonius rusticus has a range of ecological impacts on introduced environments, increased... 42874
9400 Faxonius rusticus Food Web Observational Field Comparison of food webs in invaded and uninvaded lakes using stable isotopes provided evidence that... 25564
9401 Faxonius rusticus Food Web Observational Field Analysis of snail gut contents and a set of laboratory feeding experiments demonstrate that snails... 25564
9402 Faxonius rusticus Food Web Observational Field Reduction in macrophyte habitat as a result of Faxonius rusticus may lead to profound... 25564
9403 Faxonius rusticus Food Web Observational Field Reduction in macrophyte habitat as a result of Faxonius rusticus may lead to negative... 27342
9404 Faxonius rusticus Food Web Experimental Field Periphyton productivity showed a 4 to 7 fold increase in enclosures where Faxonius... 14621
9405 Faxonius rusticus Food Web Experimental Laboratory The consumption of periphyton by Faxonius rusticus outside its native range has been shown... 14607
9406 Faxonius rusticus Food Web Experimental Laboratory Faxonius rusticus have an indirect positive effect on periphyton through the reduction of... 22839
9407 Faxonius rusticus Food Web Observational Field In a long-term study of Trout Lake, Wisconsin, Faxonius rusticus was found to reduce mean... 26293
9408 Faxonius rusticus Food Web Experimental Laboratory Faxonius rusticus reduces macrophyte biomass through both consumption and non-consumptive... 14834
9409 Faxonius rusticus Food Web Observational Field Small scale, comparative, and multi-lake studies confirm that macrophyte species richness and... 42880
9410 Faxonius rusticus Food Web Observational Field In northern Wisconsin, a study found the proportion of sites with no macrophyte cover to increase... 42881
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Citation information: U.S. Geological Survey. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [1/30/2025].

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