9572

• UCREFRP Catalog Number: 9572
• Author: Bestgen, K. R.
• Title: Interacting Effects of Physical and Biological Factors on Recruitment of Age-0 Colorado Squawfish.
• USFW Year: 1997.
• USFW - Doc Type: Fort Collins, CO.
• Copyright Material: NO

Table 1 Continued.
Biological variables
18°C
Constant Fluctuating
Nominal temperature and regimes
22°C
Constant Fluctuating
26°C
Constant Fluctuating
30°C"
Constant
Hatching interval (h)e 44 28 53 31 33 36 23
~ Inflation of air bladderf 186 172 183 143 139 141
First feedingf 229 194 183 167 163 122
Mean total length (mm) at:
Hatching (N=10) 4.8 (0.3) 5.2 (0.2) 5.3 (0.1) 5.6 (0.2) 5.5 (0.2) 5.5 (0.2)
7 d posthatching (N=10) 9.7 (0.1) 9.8(0.1) 9.6 (0.2) 10.2 (0.1) 10.0 (0.1) 10.0 (0.1)
sNominal and mean (SE) temperatures as follows: Constant: 18°C = 19.1 (0.02); 22°C = 21.8 (0.06); 26°C = 25.6 (0.18); 30°C = 30.0
(0.14). Diel fluctuating (minumum and maximum): 18°C = 15.7 (0.14) and 20.5 (0.20); 22°C = 19.5 (0.14) and 24.7 (0.09); 26°C = 23.5
(0.21) and 28.3 (0.09).