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 9. Largemouth bass stomach content data, Island Pond, 1983.
bass size
(mm TL)
Date 9/13 9/22 10/14 1113 11/28
Temperature C 20 19 15 13 5
Percent of bass n=9 n=19 n=3 n=5 n=1
with food in stomachs 44 42 100 40 100
Mean volume (ml) of n=4 n=8 n=3 n=2 n=1
stomach contents of 90-160 - - 1.0 - -
those with food 161-280 1.1 1.0 7.0 1.1 -
281-450 - 4.0 - - 3.0
Mean number of 90-160 - - 1.0 - -
o\ squawfish in stomachs 161-280 - - 4.5 1.0 -
of those with food 281-450 - - - - 0.0
Table 10. Largemouth bass stomach content data, Terry Pond, 1983•

Date 9/15 9/21 10/13 11/2 11/23
Temperature C 21 20 15 12 5
Percent of bass n=18 n=20 n=11 n=26 n=3
with food in stomachs 67 75 91 27 33
Mean volume (ml) of n=13 n=11 n=10 n=7 n=1
stomach contents of 9o-16o 1.1 - 1.4 0.01 -
those with food 161-280 7.1 2.5 12.0 3.5 -
281-450 5.8 4.2 30.0 7.9 3.0
Mean number of 90-160 - - 1.0 0 -
squawfish in stomachs 161-280 - - 7.0 0 -
of those with food 281-450 - - 11.4 0 0