8026

• UCREFRP Catalog Number: 8026
• Author: Berry, C., R. Bulkley, D. Osmundson and V. Rosen.
• Title: Survival of Stocked Colorado Squawfish with Reference to Largemouth Bass Predation.
• USFW Year: 1985.
• USFW - Doc Type: Logan, Utah.
• Copyright Material: NO

Table 13. Summary of results from sunfish squawfish prey preference
experiment. Numbers indicate the number of each prey type eaten by an
individual largemouth bass over a period of seven days.
bass size small medium large
prey type sunfish squawfish sunfish squawfish sunfish squawfish
week # 1 0 4a 3 1 4 '4
2 1 4 0 13 1 6
3 0 6 0 6 1 5
4 2 3 0 7 3 7
Total 3 17 3 27 9 22
Ratio for
total 0.18 1 0.11 : 1 0.41 : 1
Table 14. Summary of results from sunfish squawfish prey preference
experiment. Ratios indicate the average number of green.sunfish eaten
for every one squawfish eaten over a seven day period. Ratios are
derived from data given in Table 13,
bass size small medium large
week # 1 0.00 : 1 3.00 : 1 1.00 : 1
2 0.25 : 1 0.00 : 1 0.16 : 1
3 0.00 : 1 0.00 : 1 0.20 : 1
4 0.67 . 1 0.00 : 1 0.43 . 1
Mean ratio 0.23 1 0.75 1 0.45 1
20