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<br />r~ <br /> <br />. . <br /> <br />~'~'~ <br /> <br />- <br />19S2 <br /> <br />,;" <br /> <br />~:-~;;;:-~ <br /> <br />. <br />. <br /> <br />. / _ Il _ <br />.~V~ <br />/'1 'S ?- <br /> <br />'. <br /> <br />~7.!ff ~ <br /> <br />'... ,._...;......,,, ~."',"""..,a;.,.'.,;-.. ",;..;,;a,;, "",.,~;.,,;J~;:,~..."',.. -.,- ,~.....".:,..., ~i...~''''''"'~'t,.'"''..l -,,- ~,~""'~.'~, _~~~-5': "--" >,""'",......' <br /> <br />GUIDE TO THE FISHES OF COLORADO <br /> <br />WILLIAM C. BECKMAN, Leader <br />Colorado Cooperative Fishery Research Unit <br /> <br />Sponsored by Colorado A &: M College. Colorado Game and Fish Department, <br />U.S. Fish and Wildlife Service. <br /> <br />A fish may be defined as a backboned animal, which lives in <br />water, propels and balances itselE by means of fins, and obtains <br />oxygen from the water for breathing purposes by means of gills. <br />In Colorado waters one may expect to find 89 different fishes at <br />the present time. Of these, 54 are native to Colorado, 33 have heen <br />introduced, and 2 are potential residents having been taken within a <br />!hort distance of the border in neighboring states. On the list of <br />Colorado fishes (page 106) the letter N designates the natives, I those <br />introduced and P those potential residents. Other species may be <br />added in the future with more intensive study, by importation by the <br />State Game and Fish Department, as bait by fishermen. or by natural <br />migration. Some species listed have not been taken in recent years <br />. but may still- exist in isolated areas. An asterisk · before the name <br />indicates a rare species (see page 106). <br /> <br /> <br />Flg. 1. Mop of Colorado showing drainage areas. <br /> <br />-1- <br /> <br />\ <br /> <br />"',' <br /> <br />f~;" <br /> <br />\" /~-:'~'r' <br /> <br />"l <br /> <br />','P <br />