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Cypriniformes (Carps) >
Catostomidae (Suckers) > Catostominae
Etymology: Hypentelium: Greek, hypo = below + Greek, pentelium = five lobes (Ref. 45335); nigricans: nigricans, meaning blackish (Ref. 10294).
More on author: Lesueur.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water demersaal; potamodroom (Ref. 51243). Temperate; 46°N - 30°N
North America: Great Lakes, Hudson Bay and Mississippi River basins from New York in USA and Ontario in Canada to Minnesota and south to Alabama, Arkansas and Louisiana in USA; from Mohawk-Hudson River to Altamaha River in USA; from Pascagoula River to Comite River in USA.
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 61.0 cm TL mannelijk / geslacht onbekend; (Ref. 5723); common length : 29.8 cm TL mannelijk / geslacht onbekend; (Ref. 12193); max. gepubliceerd gewicht: 480.00 g (Ref. 40637)
Inhabits rocky riffles, runs and pools of clear creeks and small rivers. Occasionally found in large rivers and impoundments (Ref. 5723, 10294). Feeds on immature stages of benthic insects and snails (Ref. 10294). It feeds by disturbing the stream bottom with its large snout and sucking up organisms that it dislodges (Ref. 84357).
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
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)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00603 (0.00290 - 0.01252), b=3.09 (2.89 - 3.29), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.3 ±0.43 se; based on food items.
Weerstandsvermogen (Ref.
120179): laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (44 of 100).