7735

• UCREFRP Catalog Number: 7735
• Author: Bates, B., T. Chart and M. Moretti.
• Title: Colorado Squawfish Interagency Standardized Monitoring Program, Utah, 1986-90, Lower Green and Colorado Rivers.
• USFW Year: 1993.
• USFW - Doc Type: Publication Number 93-11,
• Copyright Material: NO

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RESULTS

Late Juvenile/Adult Monitoring

A total of 172 late juvenile and adult Coloradosquawfish
were caught from 1986-90 (Table 1). Of that total, 140 were
caught in the lower Green River and 32 in the Colorado. Almost
80% of those caught in the Green River were caught during 1989
and 1990 (Figure 2).

Table 1. Colorado squawfish captured or observed in southeast Utah, 1986-90.
1986 1987 1988 1989 1990
River Reach Caught Missed Caught Missed Caught Missed Caught Missed Caught Missed
Green 4 2 2 3 1 8 4 .21 2 41 8
S 7 1 6 0 3 0 22 S 27 0
Colorado 7 2 1 2 1 2 0 1 0 2 2
8 9 3 9 1 1 2 3 3 1 0

Figure 2. Colorado Squawfish Mean Catch
per Unit Effort, Lower Green River

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