Actinopteri (ray-finned fishes) > Cypriniformes
(Carps) > Catostomidae
(Suckers) > Ictiobinae
Etymology: Ictiobus: Greek, ichthys = fish + Greek, bous = cow (Ref. 45335); cyprinellus: cyprinellus is a diminutive of cyprinus, meaning carp (Ref. 10294) More on author: Valenciennes.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic; depth range 4 - m (Ref. 121623), usually - m (Ref. ). Subtropical; 16°C - 30°C (Ref. 120736); 52°N - 29°N, 108°W - 70°W (Ref. 86798)
North America: Hudson Bay (Nelson and Red river drainages), Great Lakes and Mississippi River basins from Ontario to Saskatchewan in Canada and Montana in the US, and south to Louisiana in the US.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 123 cm TL male/unsexed; (Ref. 40637); common length : 35.6 cm TL male/unsexed; (Ref. 12193); max. published weight: 31.9 kg (Ref. 4699); max. reported age: 26 years (Ref. 120593)
Inhabits main channels, pools, backwaters of small to large rivers, lakes, and impoundments (Ref. 86798). Feeds on cladocera and cyclopoid copepods supplemented with midge larvae (Ref. 10294). Oviparous (Ref. 205). Prefers water with depth of less than 5 m (Ref. 121623).
Oviparous (Ref. 205). Breed in streams and ponds with rapid flow, on sand and gravel, or in weedy places (Ref. 205). One female may mate with several males (Ref. 205).
Page, L.M. and B.M. Burr, 2011. A field guide to freshwater fishes of North America north of Mexico. Boston : Houghton Mifflin Harcourt, 663p. (Ref. 86798)
IUCN Red List Status (Ref. 124695)
Threat to humans
Fisheries: minor commercial; aquaculture: commercial; gamefish: yes
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00823 - 0.01529), b=3.03 (2.94 - 3.12), in cm total length, based on LWR estimates for this species (Ref. 93245
Trophic level (Ref. 69278
): 3.1 ±0.41 se; based on food items.
Generation time: 13.1 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.
Resilience (Ref. 120179
): Low, minimum population doubling time 4.5 - 14 years (tmax=20).
Vulnerability (Ref. 59153
): High to very high vulnerability (69 of 100) .