9465 - Laserfiche WebLink

Home Browse Search

and September 1995 (4) (Appendix; Table C.1.; Appendix; Figure C.1.; Burdick and Bonar 1997). Stocking of domestic-reared razorback sucker in the Upper Colorado River did not begin. - until the fall of 1999 but continued through October 2001. A total of 31,511 juvenile and adult razorback sucker were stocked in the Upper Colorado River in Colorado during this 3-year period. Twenty fish captured from Etter Pond were re-located and stocked in the Upper Colorado River in April 1994 (Appendix; Table C.1.; Appendix; Figure C.1.; Burdick and Bonar 1997). The total number of razorback sucker stocked in both rivers from April 1994 through October 2001 was 49,954. The mean TL of razorback sucker stocked during this period was 187 mm (SD=60.3; range: 75-586 mm, N=42,023; Figure 3; Appendix; Table C.8.). Fifty-nine percent of the razorback sucker stocked during this period were between 100 and 199 mm and 35% were between 200 and 299 mm. Only 4.1% of the fish were between 300 and 399 mm and about 0.5 percent were greater than 400 mm (Appendix; Table C.8.). Razorback sucker were predominantly stocked during late-summer and fall (89.2% or 44,347 fish). 1995-2001 For razorback sucker stocked during each of these 7 years, the following information is provided in tabular form (Appendix; Tables C.1-C.7.): number and size (TL, nun) of fish stocked, source and date stocked, stocking location (river and RM), year-class stocked, and the number of family lots stocked. Accompanying figures (Appendix; Figures C.l-C.7.) of razorback sucker stocked by 25-mm length groups, by river, and by year are also provided. Three hundred sixteen (100-150 mm), pond-reared razorback sucker were stocked on 13 October 1995 at RM 59.3 in the Gunnison River near Delta (Appendix; Table C.1.; Figure C.2.). In 1996, 282, 280--410 mm fish were stocked on 4 October at RM 57 in the Gunnison River (Appendix; Table C.2.; Figure C.2.). These fish originated from Wahweap SFH. In 1997, 3,372 juvenile and adult fish (125-380 mm) were stocked in the Gunnison River on nine different dates between 12 September and 14 October from three different sources: 24-Rd Hatchery, Clymer Pond, and Wahweap SFH (Appendix; Table C.3.; Figure C.3.). In 1998, only 608 (75-493 mm) razorback sucker were stocked in the Gunnison River (Appendix; Table CA.; Figure CA.). During May 1999, 30 excess F, broodfish held in ponds at Horsethief SWA, were stocked in the Gunnison River. An additional 2,742 juvenile razorback sucker were stocked on eight different dates from three different sources between 3 August and 4 November. Three thousand, four hundred ninety eight juvenile razorback sucker from four different sources were released on five different dates between 20 September and 29 October 1999 in the Upper Colorado River 16