9321

• UCREFRP Catalog Number: 9321
• Author: Persons, W. T., R. V. Bulkley and W. R. Noonan.
• Title: Movements and Feeding of Adult Striped Bass, Colorado River Inlet, Lake Powell, 1980-81.
• USFW Year: 1981.
• USFW - Doc Type: Logan, UT.
• Copyright Material: NO

Table 6. Stomach contents of adult striped bass at different stages of maturity, Gypsum
Canyon, 1980-81.

Sex Stage

n Number
With Empty
Stomach Number
With Empty
Intestine _

Food Number

Shad Containing
Red Unid. Fish
Shiner Remains

Crayfish
Male Immature 12 7 (58) 4 (33) 5 (42) 4 (33) 1 (8) 0 0
Maturing 7 7 (100) 5 (71) 0 0 0 0 0
Mature 147 113 (77) 104 (71) 34 (23) 31 (21) 2 (1) 1 (1) 0
Spent 50 35 (70) 28 (56) 15 (30) 15 (30) 0 0 0
TOTAL 216 162 (75) 141 (65) 54 (25) 50 (23) 3 (1) 1 (0.5) 0
Female Immature 14 8 (57) 6 (43) 6 (43) 6 (43) 0 0 0
Maturing 15 6 (40) 7 (47) 9 (60) 9 (60) 0 0 0
Mature 30 19 (63) 13 (43) 11 (37) 11 (37) 0 1 (3) 0
Spent 46 29 (63) 22 (48) 17 (37) 15 (33) 1 (2) 0 1 (2)
TOTAL 105 62 (59) 48 (46) 43 (41) 41 (39) 1 (1) 1 (1) 0
GRAND TOTAL 321 224 (70) 189 (59) 97 (30) 91 (28) 4 (1) 2 (1) 1 (0.3)
N
cn