Teleostei (teleosts) >
Cypriniformes (Carps) >
Catostomidae (Suckers) > Cycleptinae
Etymology: Cycleptus: Greek, kyklos = round + Greek, leptes = thin (Ref. 45335).
More on author: Lesueur.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic; potamodromous (Ref. 126106). Subtropical; 47°N - 28°N
North America: Mississippi River basin from Pennsylvania to central Montana and south to Louisiana, USA; Gulf Slope drainages in the USA from Mobile Bay, Alabama to Rio Grande in Texas and New Mexico, and in Mexico.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 93.0 cm TL male/unsexed; (Ref. 5723); common length : 66.5 cm TL male/unsexed; (Ref. 12193); max. published weight: 5.7 kg (Ref. 132220); max. reported age: 13 years (Ref. 12193)
Short description
Identification keys | Morphology | Morphometrics
Adults inhabit strong current in deep (1-2.5 m) chutes and main channels of medium to large rivers over bedrock, sand and gravel (Ref. 5723).
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. 130435: Version 2025-2 (Global))
Threat to humans
Harmless
Human uses
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Estimates based on models
Phylogenetic diversity index (Ref. 82804) |
PD50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00339 (0.00175 - 0.00658), b=3.18 (3.00 - 3.36), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Trophic level (Ref. 69278) |
3.1 ±0.4 se; based on size and trophs of closest relatives |
Resilience (Ref. 120179) |
Low, minimum population doubling time 4.5 - 14 years (tmax=13). |
Fishing Vulnerability (Ref. 59153) |
Moderate to high vulnerability (53 of 100). 🛈 |