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    Author(s): Christopher A. Taylor; Melvin L. Warren; J. F. Fitzpatrick; Horton H. Hobbs; Raymond F. Jezerinac; William L. Pflieger; Henry W. Robinson
    Date: 1996
    Source: Fisheries Vol. 21, No. 4: 25-38
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (1.06 MB)

    Description

    The American Fisheries Society (AFS) Endangered Species Committee herein provides a list of all crayfishes (families and Cambaridae) in the United States and Canada that includes state provincial distributions; a comprehensive review of the conservation status of all taxa; and references on biology, conservation, and distribution of crayfishes. The list contains 338 native crayfishes, of which 2(<1%) taxa are listed as endangered, possibly extinct; 65 (19.2%) as endangered; 45 (13.3) as threatened; 50 (14.8%) as special concern; and 176 (52.0%) as currently stable. Limited natural range is implicated as the primary factor responsible for the noted imperliment of crayfishes; other threates include habitat alteration and the introduction of nonindigenous crayfishes. Using the best available information, we estimate that almost 50% of the crayfishes in United States and Canada are in need of conservation recognition. We hope that this report spurs increased research efforts from aquatic biologists and proactive actions by resource personnel, citizens, and lawmakers.

    Publication Notes

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Taylor, Christopher A.; Warren, Melvin L., Jr.; Fitzpatrick, J. F.; Hobbs, Horton H.; Jezerinac, Raymond F.; Pflieger, William L.; Robinson, Henry W. 1996. Conservation status of crayfishes of the United States and Canada. Fisheries Vol. 21, No. 4: 25-38

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