1202

• UCREFRP Catalog Number: 1202
• Author: Berry, C. R., Jr.
• Title: Effects of Cold Shock on Colorado Squawfish Larvae
• USFW Year: 1986.
• USFW - Doc Type: Final Report.
• Copyright Material: NO

8
Table 1. Percentage of mortality of 14-day-old and 40-day-old squawfish,
21 days after being subjected to abrupt (5 minutes) and gradual (240-300
minutes) temperature decreases of 5, 10, and 15 C.
Fish Temperature Decrease (C)
Age Year Time l Chi P
(days) Interval 0 5 10 15 Square
14 1984 A 34 28 14 44
G 27 26 25 34 4.3 0.063
1985 A 16 19 22 57
G 12 18 10 15 16.0 0.0016
40 1984 A 7 6 3 2
G 8 7 3 6 2.0 0.58

1 A = Abrupt, G = Gradual.