7037

• UCREFRP Catalog Number: 7037
• Author: Wyoming Game and Fish Department
• Title: Fishery Research Report
• USFW Year: 1978.
• USFW - Doc Type: Flaming Gorge Reservoir.
• Copyright Material: NO

OA
TABLE 1. Mean percent volume of food items in the stomachs of brown and rainbow trout from Flaming Gorge Reservoir, 1963 through 1969.
Species and Size Groupings (mm) of Fish.
200 201-250 25 1-300 301-350 351 -400 401 -450 451-500 501-550
Food Item BT RBT BT RBT BT RBT BT RBT BT RBT BT RBT BT RBT BT RBT
Inorganic 21.2 14.9 0.4 1.1 0.2 4.3 2.5 2.8
Debris
Organic 46.1 31.4 20.1 40.01 26.3 48.9 63.6 56.0 32.9 50.5 58.3 50.5 4.2
Debris
Fish 13.3 5.8 47.0 3.2 41.7 7.5 39.2 11.1 59.8 24.3 46.7 52.7 98.6
Zooplankton 73.1 77.1 51.3 72.1 49.4 67.8 21.1 56.2 54.6 58.6
Amphipoda 3.9 1.7 0.9 1.0 1.9 3.0 15.2 8.9 50.0 10.5 13.1
Mollusca 16.6 2.2 4.9 4.9 0.1 5.8 0.8 1.1 0.8 18.8
Ephemeroptera 22.3 0.6 0.01 3.8 1.2 0.3 5.4 2.5
Diptera 6.7 7.1 20.7 3.3 17.0 7.9 21.9 6.6 6.3 10.5 36.5
Hydracarina 1.0 0.1 0.3 0.5 23.4
Coleoptera 0.1 0.4 0.01 0.1 0.01 0.4
Hemiptera 0.2 4.0 0.3 1.9 12.0 0.1 2.5
Hymenoptera 8.2 5.7 16.8 8.2 16.0 16.3 4.2
1 - 0.0 Indicates presence of an organism but a percentage vo lume of less than 0.1
• No brown trout of this size g roup sampled