Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal; non-migratory (Ref. 126106). Temperate; 42°N - 41°N
North America: Endemic to Lake Bear, southeast Idaho and northern Utah in USA.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 28.0 cm TL male/unsexed; (Ref. 5723); common length : 15.0 cm TL male/unsexed; (Ref. 12193)
Usually found near the bottom and rarely near shore.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)
IUCN Red List Status (Ref. 130435: Version 2025-2 (Global))
Threat to humans
Harmless
Human uses
Tools
Special reports
Download XML
Internet sources
Estimates based on models
Phylogenetic diversity index (Ref. 82804) |
PD50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
a=0.00457 (0.00194 - 0.01077), b=3.13 (2.92 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trophic level (Ref. 69278) |
3.2 ±0.4 se; based on size and trophs of closest relatives |
|
Generation time |
5.5 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
Resilience (Ref. 120179) |
Medium, minimum population doubling time 1.4 - 4.4 years (K=0.2). |
Fishing Vulnerability (Ref. 59153) |
Moderate vulnerability (42 of 100). 🛈 |