Teleostei (teleosts) > 
Cypriniformes (Carps) > 
Catostomidae (Suckers) > Catostominae						
							
							Etymology: Chasmistes: Greek, chanos, -eos, ous, and  chasma, -atos = abyss, mouth opened, inmensity (Ref. 45335).
More on authors: Cope & Yarrow.						
					
				
					Environment: milieu / climate zone / depth range / distribution range					
						Ecology					
				
				
				
					Freshwater;  demersal. Temperate				
				
			
			
			
				
				
				
					North America: Utah Lake, U.S.A.
				
				
			
			
				
					Size / Weight / Age
				
				
				
					Maturity: Lm ?  range ? - ? cm
 Max length : 7.6 cm SL male/unsexed; (Ref. 5515)				
				 
			
			
			
			
			
			
			
			
							
			
			
			
			
				
					Life cycle and mating behavior					
					Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae				
				
				
				
								
				
			
			 
				
				
				
					Eschmeyer, W.N. (ed.), 2004. Catalog of fishes. Updated database version of January 2004. Database dump. Catalog databases as made available to FishBase in January 2004. (Ref. 50838)
				
				 
			
			
			
							
					
						IUCN Red List Status   (Ref. 130435: Version 2025-1)
					
					
				 
					
			
			
			
			
			
			
			
				
					Threat to humans  
				
				
				
					  Harmless				
				
			 
			
			
			
			
				
					Human uses  				
				
				
									
				
				
			
			
						
			
			
			
				
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Special reports
 
				
			
			
			
				
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					Internet sources
				
				
			
			
			
				
					Estimates based on models				
				
				
				
				
				
					
					Phylogenetic diversity index  (Ref. 
82804):  PD
50 = 0.5312   [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):  3.0   ±0.4 se; based on size and trophs of closest relatives					
											
				
				
										
						Resilience  (Ref. 
120179):  Very Low, minimum population doubling time more than 14 years (Assuming tm>10).					
											
				
									
					Fishing Vulnerability  (Ref. 
59153):  Low vulnerability (10 of 100). 
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