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Ictiobus cyprinellus  (Valenciennes, 1844)

Bigmouth buffalo
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Native range | All suitable habitat
This map was computer-generated and has not yet been reviewed.
Ictiobus cyprinellus   AquaMaps   Data sources: GBIF OBIS
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Image of Ictiobus cyprinellus (Bigmouth buffalo)
Ictiobus cyprinellus
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Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (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).

Environment / Climate / Range Ecology

Freshwater; demersal; depth range 10 - ? m.   Temperate, preferred ?; 52°N - 30°N

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

North America: Hudson Bay, lower Great Lakes and Mississippi River basins from Ontario to Saskatchewan in Canada and from Montana south to Louisiana in the USA.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 123 cm TL male/unsexed; (Ref. 40637); common length : 35.5 cm TL male/unsexed; (Ref. 12193); max. published weight: 31.9 kg (Ref. 4699); max. reported age: 20 years (Ref. 12193)

Biology     Glossary (e.g. epibenthic)

Inhabits main channels, pools and backwaters of small to large rivers. Also occurs in lakes and impoundments. Oviparous (Ref. 205). Feeds on cladocera and cyclopoid copepods supplemented with midge larvae (Ref. 10294).

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

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).

Main reference Upload your references | References | Coordinator | Collaborators

Etnier, D.A. and W.C. Starnes, 1993. The fishes of Tennessee. The University of Tennessee Press, Knoxville, Tennessee, USA. (pls. check date). (Ref. 10294)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: minor commercial; aquaculture: commercial; gamefish: yes
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5312   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01148 (0.00840 - 0.01569), 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.
Resilience (Ref. 69278):  Low, minimum population doubling time 4.5 - 14 years (tmax=20).
Vulnerability (Ref. 59153):  High to very high vulnerability (75 of 100) .
Price category (Ref. 80766):   Unknown.