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Actinopterygii (ray-finned fishes) > Cypriniformes (Carps) > Catostomidae (Suckers) > Catostominae
Etymology: Catostomus: Greek, kata = down + Greek, stoma = mouth (Ref. 45335); macrocheilus: macrocheilus meaning large lip (Ref. 1998). More on author: Girard.

Environment / Climate / Range Ecology

Freshwater; demersal; depth range 1 - 80 m (Ref. 1998). Temperate, preferred ?; 54°N - 41°N

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

North America: Arctic basin in Canada from Peace River drainage in British Columbia to Smokey River drainage in Alberta; Pacific Slope from Nass River in British Columbia to Snake River drainage (below Shoshone Falls) in Idaho and Nevada, USA, and Coquille River in Oregon, USA.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 61.0 cm TL male/unsexed; (Ref. 5723); common length : 25.0 cm TL male/unsexed; (Ref. 12193); max. reported age: 15 years (Ref. 12193)

Occurs in pools and runs of medium to large rivers. Also found in lakes. Pelagic up to 1.8 cm in length (Ref. 1998). Young feed on planktonic cladocerans, copepods, ostracods, and mites; chironomid, trichopteran and ephemeropteran larvae; and bottom ooze (Ref. 1998). Adults feed on algae, diatoms, insects, amphipods, and mollusks (Ref. 1998). May feed on salmonid eggs (Ref. 1998). Preyed upon by mergansers, osprey, eagles, and bears (Ref. 1998). Edible but not highly favored (Ref. 1998).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

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. 115185)

Least Concern (LC)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: commercial; aquarium: public aquariums

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Internet sources

Catostomus macrocheilus Girard, 1856