| Common Name | Scientific Name | Native or Introduced | Water Preference | Temperature Preference | Typical Adult Size | Elevation Range |
|---|---|---|---|---|---|---|
| Edit Three_spined_stickleback | Gasterosteus_aculeatus | Native | Lakes_streams | Cool | 2 - 4 | 0 - 6000 |
| Edit Tiger_muskie | Esox_lucius_x_masquinongy | Introduced_hybrid | Lakes | Cool | 30 - 50 | 2000 - 5000 |
| Edit Torrent_sculpin | Cottus_rhotheus | Native | Fast_rivers | Cold | 3 - 6 | 1000 - 7000 |
| Edit Tui_chub | Gila_bicolor | Introduced | Lakes | Cool | 6 - 12 | 2000 - 6000 |
| Edit Umatilla_dace | Rhinichthys_umatilla | Native | Streams | Cool | 2 - 4 | 1000 - 6000 |
| Edit Umpqua_pikeminnow | Ptychocheilus_umpquae | Native_limited | Rivers | Cool | 10 - 20 | 0 - 4000 |
| Edit UnCommon Carp | sigmatateandrewethesius | Introduced | deep lakes | Warm | 12 - 36 | 0 - 200 |
| Edit Utah_chub | Gila_atraria | Native | Lakes_reservoirs | Cool | 6 - 12 | 2000 - 7000 |
| Edit Utah_sucker | Catostomus_ardens | Native | Lakes_streams | Cool | 12 - 20 | 2000 - 7000 |
| Edit Walleye | Sander_vitreus | Introduced | Rivers_reservoirs | Cool | 15 - 28 | 0 - 4000 |