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  3. Bigeye Chub

Bigeye Chub

Hybopsis amblops

Summary 3

The common name of Hybopsis amblops is the bigeye chub.

Distribution 4

Global Range: (200,000-2,500,000 square km (about 80,000-1,000,000 square miles)) Range includes Lake Ontario and Lake Erie drainages, New York, Pennsylvania, Ohio, and Michigan; Ohio River basin from New York to eastern Illinois and south to the Tennessee River drainage, Georgia and Alabama; Ozarks of southern Missouri, northern Arkansas, and northeastern Oklahoma (absent from Missouri River drainage); Cottonwood River, Kansas (one record) (Page and Burr 2011).

Habitat and ecology 5

Habitat and Ecology

Habitat includes small to moderate size, clear-water tributaries with sand, gravel, or rocky bottom; usually near riffles in quiet water; often associated with aquatic vegetation (Page and Burr 2011). This species is exceptionally intolerant of siltation.

Systems
  • Freshwater

Iucn red list assessment 6


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2013

Assessor/s
NatureServe

Reviewer/s
Smith, K. & Darwall, W.R.T.

Contributor/s

Justification
Listed as Least Concern in view of the large extent of occurrence, large number of subpopulations and locations, and large population size, and because the species probably is not declining fast enough to qualify for any of the threatened categories.

Nature serve conservation status 7

Rounded Global Status Rank: G5 - Secure

Reasons: Widespread distribution in eastern and central U.S.; common to abundant in south, reduced in abundance or extirpated from many agricultural areas in north; sensitive to siltation.

Range description 8

Range includes Lake Ontario and Lake Erie drainages, New York, Pennsylvania, Ohio, and Michigan; Ohio River basin from New York to eastern Illinois and south to the Tennessee River drainage, Georgia and Alabama; Ozarks of southern Missouri, northern Arkansas, and northeastern Oklahoma (absent from Missouri River drainage); Cottonwood River, Kansas (one record) (Page and Burr 2011).

Sources and Credits

  1. (c) Corey Lange, some rights reserved (CC BY-NC), uploaded by Corey Lange
  2. (c) Richard L. Mayden, some rights reserved (CC BY-NC-SA), http://www.boldsystems.org/archive/image.php?id=bold.org/167520
  3. Adapted by rkkessler from a work by (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Hybopsis_amblops
  4. (c) NatureServe, some rights reserved (CC BY-NC), http://eol.org/data_objects/28765914
  5. (c) International Union for Conservation of Nature and Natural Resources, some rights reserved (CC BY-NC-SA), http://eol.org/data_objects/34503968
  6. (c) International Union for Conservation of Nature and Natural Resources, some rights reserved (CC BY-NC-SA), http://eol.org/data_objects/34503965
  7. (c) NatureServe, some rights reserved (CC BY-NC), http://eol.org/data_objects/28765907
  8. (c) International Union for Conservation of Nature and Natural Resources, some rights reserved (CC BY-NC-SA), http://eol.org/data_objects/34503966

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