My WebLink
|
Help
|
About
|
Sign Out
Home
Browse
Search
7125 (2)
CWCB
>
UCREFRP
>
Copyright
>
7125 (2)
Metadata
Thumbnails
Annotations
Entry Properties
Last modified
8/11/2009 11:07:39 AM
Creation date
8/10/2009 12:37:25 PM
Metadata
Fields
Template:
UCREFRP
UCREFRP Catalog Number
7125
Author
McAda, C. W.
Title
Aspects of the Life History of Three Catostomids Native to the Upper Colorado River Basin.
USFW Year
1977.
USFW - Doc Type
Utah State University,
Copyright Material
YES
There are no annotations on this page.
Document management portal powered by Laserfiche WebLink 9 © 1998-2015
Laserfiche.
All rights reserved.
/
113
PDF
Print
Pages to print
Enter page numbers and/or page ranges separated by commas. For example, 1,3,5-12.
After downloading, print the document using a PDF reader (e.g. Adobe Reader).
Show annotations
View images
View plain text
16 <br />RAZORBACK SUCKER, Xyrauchen texanus (ABBOTT) <br />Distribution and Abundance <br />The range of the razorback sucker (Figure 4) has been markedly <br />reduced because of man-made alterations of the Colorado River system. <br />Early observers reported X. texanus in large numbers throughout the <br />lower basin. Everman [1916] stated that razorback suckers were <br />"rather abundant" in the Salton Sea when it was formed after the <br />breaking of a dike in 1905. ChanierZain [1904] reported that they <br />were "rather common" in the San Pedro River and were sold at nearby <br />Tombstone, Arizona, as "Buffalo". The San Pedro River is now dry <br />during most of the year. Chardiertain [1904] also collected a single <br />specimen from the Salt River in central Arizona. MiUer [1961] <br />reported that they occurred in the Salt River in 1904, near the <br />present site of Roosevelt Dam,. but they had disappeared by 1937. <br />Reservoir impoundments do not affect adult razorback suckers <br />as greatly as they do other endemic species. When Lakes Mojave and <br />Mead were formed on the Colorado River, the Colorado squawfish, bony- <br />tail chub, and humpback chub were drastically reduced in abundance, <br />but the razorback sucker was considered abundant in Lake Mead and <br />common in Lake Mojave [WaUis, 1951]. Jonez and Sumner [1954] found <br />razorback suckers in large numbers below Davis Dam on the Colorado <br />River, but none has been reported below this point recently [MinckZey, <br />19731. As late as the 1940's, razorback suckers supported a commercial <br />fishery in Arizona. One fisherman harvested six tons of the unique
The URL can be used to link to this page
Your browser does not support the video tag.