7364

• UCREFRP Catalog Number: 7364
• Author: Tyus, H. M. and J. M. Beard
• Title: Esox Lucius ‎(Esocidae)‎ and Stizostedion Vitreum ‎(Percidae)‎ in the Green River Basin, Colorado and Utah
• USFW Year: 1989
• USFW - Doc Type: \
• Copyright Material: NO

TABLE 2.-Contents of 123 northern pike (Esox Lucius) stomachs taken in the
Green River basin, Utah and Colorado 1984-1989.
Number Frequency
Species Statusa of prey (~~)
Fishes
unidentified fish - 40 10.6
Notroais lutrensis I 24 7.3
Pimephales promelas I 15 4.1
Catostomus latipinnis N 6 4.1
Rhinichthvs osculus N 7 3.3
unidentified Notroais spp. I 6 2.4
Gila atraria I 3 2.4
Catostomus discobolus N 2 1.6
Ictalurus ounctatus I 2 1.6
Cyprinus car io I 3 0.8
Notroais stramineus I 2 0.8
unidentified Cyprinidae I 1 0.8
unidentified Gila spp.b - 1 0.8
Oncorhynchus mykiss I 1 0.8
Oncorhynchus clarki I 1 0.8
Richardsonius balteatus I 1 0.8
14