9492

• UCREFRP Catalog Number: 9492
• Author: Snyder, D. E.
• Title: Computer-Interactive Key to Sucker Larvae and Early Juveniles of the Upper Colorado River Basin with Description of Longnose Sucker.
• USFW Year: 2003.
• USFW - Doc Type: Fort Collins.
• Copyright Material: NO

40 Size at developmental interval and gut phase transitions for Catostomus

catostomus. ........................................................... 42

41 Summary of morphometries and myomere counts by developmental phase for
Catostomus catostomus. .................................................42

42 Dimensions of frontoparietal fontanelle for Catostomus catostomus larvae> 16
mm SL., early juveniles, and yearling. ...................................... 48

List of Figures

Except for replacement and new figures listed below, figures referenced in this
supplemental update, including the computer-interactive key, are those in Snyder and Muth
(1990). Numbers for new figures continue the series from that publication.

1-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Snyder and Muth (1990)

28 Catostomus commersoni protolarva, recently hatched, 9.3 mm SL, 9.6 mm TL.
Cultured in 1979 with stock from a private pond, Fort Collins, Colorado. . . . . . . . . . . .22

29-32 ................................................... Snyder and Muth (1990)

33 Catostomus commersoni metalarva, 19.2 mm SL, 23.1 mm TL. Collected in 1977
from the Yampa River, Colorado. . . . . . . . .. . . . . .. . . . . . . . . . . . . " . . . ... . . . . . . .22

34-95 ................................................... Snyder and Muth (1990)

96 Catostomus catostomus, adult. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41

97 Regional distribution of Catostomus catostomus. .... . . . . . . . . . . . . . . . . . . . . . . . . . .41

98 Catostomus catostomus protolarva, recently hatched, 8.2 mm SL, 8.5 mm TL. ......43

99 Catostomus catostomus protolarva, 10.2 mm SL, 10.6 mm TL. .................. 43

100 Catostomus catostomus flexion mesolarva, recently transformed, 11.9 mm SL,

12.5 mm TL. .......................................................... 44

101 Catostomus catostomus postflexion mesolarva, 13.5 mm SL, 15.1 mm TL. .........44

102 Catostomus catostomus metalarva, recently transformed, 14.6 mm SL, 17.5

mm TL. .............................................................. 45

103 Catostomus catostomus metalarva, 18.7 mm SL, 22.5 mm TL. ................... 45

104 Catostomus catostomus juvenile, recently transformed, 22.9 mm SL, 27.8 mm TL. .., 46

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