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Thoburnia rhothoeca

(Thoburn, 1896)

Torrent Sucker

G4Apparently Secure Found in 10 roadless areas NatureServe Explorer →
G4Apparently SecureGlobal Rank
Least concernIUCN
Identity
Unique IDELEMENT_GLOBAL.2.102259
Element CodeAFCJC13030
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVertebrate Animal
IUCNLeast concern
Endemicendemic to a single nation
KingdomAnimalia
PhylumCraniata
ClassActinopterygii
OrderCypriniformes
FamilyCatostomidae
GenusThoburnia
Synonyms
Moxostoma rhothecum
Concept Reference
Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea, and W.B. Scott. 1991. Common and scientific names of fishes from the United States and Canada. American Fisheries Society, Special Publication 20. 183 pp.
Taxonomic Comments
Included in genus Thoburnia by Smith (1992) and Page and Burr (1991). Formerly, Thoburnia was regarded as a subgenus of the genus Moxostoma. This change was adopted by Page and Burr (1991). See Smith (1992) for a study of the phylogeny and biogeography of the Catostomidae.
Conservation Status
Review Date1996-09-19
Change Date1996-09-19
Range Extent Comments
North-central Virginia and adjacent eastern West Virginia; generally distributed in James drainage from mountains to Fall Line; scattered populations in Potomac drainage; also in Roanoke drainage; absent in York River system; apparently extirpated in upper New River drainage, Virginia; introduced into upper Rappahannock River drainage, Virginia; common (Lee et al. 1980, Page and Burr 1991).
Occurrences Comments
This species is represented by a large number of subpopulations and locations.
Threat Impact Comments
Localized threats may exist, but on a range-wide scale no major threats are known.
Ecology & Habitat

Habitat

Creeks and small rivers that are cold to warm, high to moderate gradient, and usually clear. Juveniles and adults occur in riffles and runs of gravel to boulder and bedrock, young in rocky runs and pools.

Reproduction

Spawns apparently in April and May.
Other Nations (1)
United StatesN4
ProvinceRankNative
VirginiaS4Yes
West VirginiaS3Yes
Roadless Areas (10)
Virginia (8)
AreaForestAcres
Adams PeakGeorge Washington National Forest7,135
Beards MountainGeorge Washington National Forest7,505
Brush MountainJefferson National Forest6,002
JerkemtightGeorge Washington National Forest16,687
Mountain Lake Addition B (VA)Jefferson National Forest3,405
Peters Mountain Addition A (VA)Jefferson National Forest1,268
Raccoon BranchJefferson National Forest4,388
The PriestGeorge Washington National Forest5,737
West Virginia (2)
AreaForestAcres
Mountain Lake Addition B (WV)Jefferson National Forest557
Peters Mountain Addition A (WV)Jefferson National Forest343
References (12)
  1. Jenkins, R. E. 1970. Systematic studies of the catostomid fish tribe Moxostomatini. University of Michigan, Ann Arbor. PhD Thesis. 779 pp.
  2. Jenkins, R. E., and N. M. Burkhead. 1994. Freshwater fishes of Virginia. American Fisheries Society, Bethesda, Maryland. xxiii + 1079 pp.
  3. Lee, D. S., C. R. Gilbert, C. H. Hocutt, R. E. Jenkins, D. E. McAllister, and J. R. Stauffer, Jr. 1980. Atlas of North American freshwater fishes. North Carolina State Museum of Natural History, Raleigh, North Carolina. i-x + 854 pp.
  4. Master, L. L. and A. L. Stock. 1998. Synoptic national assessment of comparative risks to biological diversity and landscape types: species distributions. Summary Report submitted to Environmental Protection Agency. The Nature Conservancy, Arlington, VA. 36 pp.
  5. Nelson, J. S., E. J. Crossman, H. Espinosa-Perez, L. T. Findley, C. R. Gilbert, R. N. Lea, and J. D. Williams. 2004. Common and scientific names of fishes from the United States, Canada, and Mexico. American Fisheries Society, Special Publication 29, Bethesda, Maryland. 386 pp.
  6. Page, L. M., and B. M. Burr. 1991. A field guide to freshwater fishes: North America north of Mexico. Houghton Mifflin Company, Boston, Massachusetts. 432 pp.
  7. Page, L. M., and B. M. Burr. 2011. Peterson field guide to freshwater fishes of North America north of Mexico. Second edition. Houghton Mifflin Harcourt, Boston. xix + 663 pp.
  8. Page, L. M., H. Espinosa-Pérez, L. T. Findley, C. R. Gilbert, R. N. Lea, N. E. Mandrak, R. L. Mayden, and J. S. Nelson. 2013. Common and scientific names of fishes from the United States, Canada, and Mexico. Seventh edition. American Fisheries Society, Special Publication 34, Bethesda, Maryland.
  9. Page, L. M., K. E. Bemis, T. E. Dowling, H.S. Espinosa-Pérez, L.T. Findley, C. R. Gilbert, K. E. Hartel, R. N. Lea, N. E. Mandrak, M. A. Neigbors, J. J. Schmitter-Soto, and H. J. Walker, Jr. 2023. Common and scientific names of fishes from the United States, Canada, and Mexico. Eighth edition. American Fisheries Society (AFS), Special Publication 37, Bethesda, Maryland, 439 pp.
  10. Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea, and W.B. Scott. 1991. Common and scientific names of fishes from the United States and Canada. American Fisheries Society, Special Publication 20. 183 pp.
  11. Smith, G. R. 1992. Phylogeny and biogeography of the Catostomidae, freshwater fishes of North America and Asia. Pages 778-826 in R.L. Mayden, editor. Systematics, historical ecology, and North American freshwater fishes. Stanford University Press, Stanford, California. xxvi + 969 pp.
  12. Stauffer, J. R., Jr., J. M. Boltz, and L. R. White. 1995. The fishes of West Virginia. Proceedings of the Academy of Natural Sciences of Philadelphia 146:1-389.