Environment: milieu / climate zone / depth range / distribution range					
						Ecology					
				
				
				
					Freshwater;  demersal. Temperate; 44°N -   42°N				
				
			
			
			
				
				
				
					North America:  Snake River system (in Columbia River drainage) above Shoshone Falls and adjacent endorheic  drainages in Wyoming, Idaho and Utah in the USA, and south through Lake Bonneville basin in Idaho and Utah.
				
				
			
			
				
					Size / Weight / Age
				
				
				
					Maturity: Lm ?  range ? - ? cm
 Max length : 65.0 cm TL male/unsexed; (Ref. 5723); common length : 30.0 cm TL male/unsexed; (Ref. 12193)				
				 
			
			
			
			
			
			
			
			
				Occurs in lakes, impoundments and streams over silt, sand, gravel or rocks.  Often found near vegetation.			
			
			
			
			
				
					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 2025-1)
					
					
				 
					
			
			
			
			
			
			
			
				
					Threat to humans  
				
				
				
					  Harmless				
				
			 
			
			
			
			
				
					Human uses  				
				
				
									
				
				
			
			
						
			
			
			
				
Tools
				
			
			
			
				
Special reports
 
				
			
			
			
				
Download XML
				
			
			
			
				
					Internet sources
				
				
			
			
			
				
					Estimates based on models				
				
				
				
				
				
					
					Phylogenetic diversity index  (Ref. 
82804):  PD
50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].					
													Bayesian length-weight: a=0.00891 (0.00281 - 0.02830), b=2.96 (2.71 - 3.21), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 
93245).
					
					Trophic level  (Ref. 
69278):  2.8   ±0.2 se; based on size and trophs of closest relatives					
											
				
				
										
						Resilience  (Ref. 
120179):  Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.).					
											
				
									
					Fishing Vulnerability  (Ref. 
59153):  Moderate to high vulnerability (46 of 100). 
🛈