9667

• UCREFRP Catalog Number: 9667
• Author: Brouder, M. J. and T. L. Hoffnagle.
• Title: Paria River Native Fish Monitoring - 1996-1997 Annual Report.
• USFW Year: 1997.
• USFW - Doc Type: Flagstaff, AZ.
• Copyright Material: NO

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1997 Paria River Native Fish Monitoring
Speckled Dace
Speckled dace were caught in substantial numbers throughout the entire river reach
sampled, with the highest catch at RK 0.0 (98) and lowest at RK 1.0 (11). Speckled dace had a
mean length of 67.1 mm TL and mean weight of 3.8 g (Table 2). Speckled dace catch and CPUE
fluctuated with summer reproduction (Figure 2). Speckled dace CPLJE peaked at 7.6 fish /
100 mZ seined on 22 February 1997.
Several size classes of speckled dace were caught in 1997 (Figure 4). In the spring,
speckled dace ranged from I 1 - 13 cm. During the summer, two age classes of speckled dace
were present. During the summer, YOY fish ranged from 2 - 4 crn and age 1 from 4 - 11 cm.
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Figure 4. Length frequency histogram of speckled dace caught during spring (top) and summer
(bottom) in the Paria jftiver, Arizona, 1997.
Brooder and HoHnagle, 1997 Annual Report
Arizona came ~ Fish nePartment 9

0 1 2 3 4 5 6 7 8 9 10 11 12
Total Length (cm)