9346

• UCREFRP Catalog Number: 9346
• Author: Seethaler, K.
• Title: Life History and Ecology of the Colorado Squawfish ‎(Ptychocheilus lucius)‎ in the Upper Colorado River Basin.
• USFW Year: 1978.
• USFW - Doc Type: Utah State University,
• Copyright Material: NO

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LIST OF FIGURES (Continued)
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Figure Page
14. Water temperatures at the Willow Beach National
Fish Hatchery in 1974 before, during, and after
. spawning by squawfish 72
15. Relationship of age to sexual maturity for 32
Colorado squawfish from the Colorado, Green,
and Yampa Rivers 76
16. Egg stages of the Colorado squawfish hatched at
. Willow Beach National Fish Hatchery, Arizona,
on about 1 July 1974 85
17. Newly hatched protolarva of the Colorado squawfish,
3 days old, 5.7 mm TL. (A) ventral, (B) lateral,
. and (C) dorsal views 87
18. Newly hatched protolarva of the Colorado squawfish,
5 days old, 7.3 mm TL. (A) ventral, (B) lateral,
and (C) dorsal views 88
. 19. Typical protolarva of the Colorado squawfish, 7
days old, 8.0 mm TL. (A) ventral, (B) lateral,
and (C) dorsal views 89
20. Typical protolarva of the Colorado squawfish, 9
days old, 8.2 mm TL. (A) ventral, (B) lateral,
. and (C) dorsal views 90
21. Recently transformed mesolarva of the Colorado
squawfish, 11 days old, 8.3 mm TL. (A) ventral,
(B) lateral, and (C) dorsal views . 91
. 22. Typical mesolarva of the Colorado squawfish, 14
days old, 8.3 mm TL. (A) ventral, (B) lateral,
and (C) dorsal views 92
23. Typical mesolarva of the Colorado squawfish, 16
days old, 8.8 mm TL. (A) ventral, (8) lateral,
. and (C) dorsal views 93
24. Typical mesolarva of the Colorado squawfish, 18
days old, 9.1 mm TL. (A) ventral, (B) lateral,
and (C) dorsal views 94
. 25. Typical mesolarva of the Colorado squawfish, 21
days old, 9.4 mm TL. (A) ventral, (8) lateral,
and (C) dorsal views 95

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