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The Nonindigenous Occurrences section of the NAS species profiles has a new structure. The section is now dynamically updated from the NAS database to ensure that it contains the most current and accurate information. Occurrences are summarized in Table 1, alphabetically by state, with years of earliest and most recent observations, and the tally and names of drainages where the species was observed. The table contains hyperlinks to collections tables of specimens based on the states, years, and drainages selected. References to specimens that were not obtained through sighting reports and personal communications are found through the hyperlink in the Table 1 caption or through the individual specimens linked in the collections tables.

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Common name: Sicklefin Chub

Taxonomy: available through www.itis.gov

Size: 11 cm.

Native Range: The native range of the Sicklefin Chub includes the Missouri River, from Montana to the mouth.  It also includes the lower Kansas River in eastern Kansas,and the Mississippi River from the mouth of the Missouri River to the mouth of the Ohio River.  The fish is also found in the Mississippi River in southern Mississippi and northern Louisiana.  The Sicklefin Chub is thought to be common in the middle Missouri River but rare everywhere else (Page and Burr 1991).

Alaska	Hawaii	Puerto Rico & Virgin Islands	Guam Saipan

Native range data for this species provided in part by NatureServe

Hydrologic Unit Codes (HUCs) Explained
Interactive maps: Point Distribution Maps

Ecology: Macrhybopsis meeki inhabits large rivers.  Fast moving waters with sand and gravel substrate are ideal (Page and Burr 1991).

References: (click for full references)

Page, L. M. and B. Burr. 1991. Freshwater Fishes. Peterson Field Guide Series. Houghton-Mifflin, New York, 432 pp.

Tilmant, J.T. 1999. Management of nonindigenous aquatic fish in the U.S. National Park System. National Park Service. 50 pp.

Other Resources:

Author: Sheehy, G.E.

Peer Review Date: 2/24/2010

This information is preliminary or provisional and is subject to revision. It is being provided to meet the need for timely best science. The information has not received final approval by the U.S. Geological Survey (USGS) and is 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 information.