USGS Open-File report 02-012
Physical Data and Biological Data for Algae, Aquatic Invertebrates, and Fish from Selected Reaches on the Carson and Truckee Rivers, Nevada and California, 1993-97
Table 34. Data for fish and crayfish collected at sites on the Truckee River: Upper Truckee River at South Lake Tahoe, Calif. (site 11, fig. 1), October 1, 1993
[Abbreviations and symbols: N, number; SD, standard deviation; m, meter; --, not determined]
| Scientific name (Genus species) |
Common name | N | Length, in millimeters | Weight, in grams | Percent abnormal |
||||
|---|---|---|---|---|---|---|---|---|---|
| Mean totala |
SD | Mean standardb |
SD | Mean | SD | ||||
| Reach A (91 m sampled on October 1, 1993) | |||||||||
| Catostomus platyrhynchus | mountain sucker |
2 |
80.5 |
7.8 |
66.5 |
4.9 |
5.5 |
0.9 |
0 |
| Catostomus tahoensis | Tahoe sucker |
13 |
128 |
47.3 |
104 |
40.1 |
31.2 |
33.6 |
7.7c |
| Cottus beldingi | Paiute sculpin |
1 |
78 |
-- |
63.0 |
-- |
5.8 |
-- |
0 |
| Oncorhynchus mykiss | rainbow trout |
4 |
175 |
44.6 |
147 |
39.7 |
60.2 |
46.6 |
0 |
| Pacifastacus leniusculus | crayfish |
1 |
85 |
-- |
-- |
-- |
-- |
-- |
0 |
| Rhinichthys osculus | speckled dace |
79 |
45.6 |
8.2 |
37.6 |
7.0 |
1.1 |
0.7 |
0 |
| Richardsonius egregius | Lahontan redside |
25 |
80.6 |
8.2 |
64.6 |
7.0 |
5.4 |
1.4 |
0 |
| Salmo trutta | brown trout |
10 |
137 |
18.3 |
138 |
16.5 |
44.8 |
16.3 |
0 |
a For fish, total length, measured from tip of snout to end of
caudal (tail) fin; for crayfish, total length measured from tip of rostrum to posterior edge of telson
b Standard length measured from snout to end of backbone in the caudal peduncle.
c Deformity.