Actinopteri (ray-finned fishes) > Cypriniformes
(Carps) > Catostomidae
(Suckers) > Catostominae
Etymology: Moxostoma: Greek, myxo = to suckle + Greek, stoma = mouth (Ref. 45335); duquesnei: Named after Fort Duquesne, upper Ohio River drainage, Pittsburgh, Pennsylvania; type locality (Ref. 10294). More on author: Lesueur.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal. Temperate; 43°N - 32°N
North America: lower Great Lakes and Mississippi River basin from Ontario in Canada and from New York to southeastern Minnesota in USA and south to northern Alabama and eastern Oklahoma, USA; upper and middle Mobile Bay drainage in Georgia, Alabama and southeastern Tennessee in USA.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 51.0 cm TL male/unsexed; (Ref. 5723); common length : 28.5 cm TL male/unsexed; (Ref. 12193); max. published weight: 1.0 kg (Ref. 40637); max. reported age: 10 years (Ref. 12193)
Inhabits sand-bottomed to rock-bottomed pools and runs of creeks and small to medium rivers. Also found in impoundments (Ref. 5723, 10294). Adult feeds on small benthic invertebrates, especially microcrustacea and midge larvae (Ref. 10294).
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. 123251)
CITES (Ref. 123416)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01202 (0.00806 - 0.01794), b=2.97 (2.89 - 3.05), in cm total length, based on LWR estimates for this species (Ref. 93245
Trophic level (Ref. 69278
): 3.0 ±0.41 se; based on food items.
Generation time: 2.8 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (tmax=10).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (32 of 100) .