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Resource Use by the Slenderwrist Burrowing Crayfish, Fallicambarus petilicarpus
Bloomer CC, Taylor CA and Wagner BK 
Published Online: 12/31/2022
Abstract
Understanding species’ habitat and resource requirements is critical for effective conservation. To assess whether a species is imperiled, data are needed on its range and natural history. In this study, we examined the resource use, including diet and habitat associations, of the Slenderwrist Burrowing Crayfish, Fallicambarus petilicarpus, a narrowly endemic primary burrowing crayfish in southcentral Arkansas. We found that F. petilicarpus has an omnivorous diet, feeding on aquatic invertebrates and detritus. We compared habitat characteristics of sites in the Ouachita drainage that contained F. petilicarpus and sites with other primary burrowing crayfish. Fallicambarus petilicarpus inhabits roadside ditches with low elevation and reduced canopy cover, like other primary burrowing species in the region. Comparisons among burrowing crayfish suggest there may be overlap in environmental niches of species in this region and subsequent competition. Field sampling expanded the known range of F. petilicarpus from ~174 km2 to ~1150 km2. Fallicambarus petilicarpus remains a narrowly endemic species with potential to be threatened by habitat loss and food scarcity caused by urban expansion and climate change.
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How to Cite
Bloomer CC, Taylor CA and Wagner BK. (2022). Resource Use by the Slenderwrist Burrowing Crayfish, Fallicambarus petilicarpus. Freshwater Crayfish 27(1):1-8. doi: 10.5869/fc.2022.v27-1.1
Author Information
Caitlin C. Bloomer,* Illinois Natural History Survey, Prairie Research Institute, 1816 S. Oak St, Champaign, Illinois, United States of America61820. E-mail: bloomer3@illinois.edu
Christopher A. Taylor, Illinois Natural History Survey, Prairie Research Institute, 1816 S. Oak St, Champaign, Illinois, United States of America61820. E-mail: cataylor@illinois.edu
Brian K. Wagner, Fisheries Division, Arkansas Game and Fish Commission, 915 E. Sevier St, Benton, Arkansas, United States of America72015. E-mail: hrothgar950@gmail.com
Corresponding Author indicated by an *.
Publication History
Manuscript Submitted: 9/29/2022
Manuscript Accepted: 12/7/2022
Published Online: 12/31/2022
Published in Print: 12/31/2022
Funding Information
No specific funding statement is available for this article.