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Siluriformes (Catfishes) >
Ictaluridae (North American freshwater catfishes)
Etymology: Noturus: Greek, noton = back + Greek, oura = tail; refred to the position of the tail over the back (Ref. 45335); eleutherus: eleutherus meaning free, referring to the incomplete fusion of the posterior portion of the adipose fin to the body (Ref. 10294).
More on author: Jordan.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
; zoet water demersaal; standvastig (Ref. 126106). Temperate; 42°N - 33°N
North America: Ohio River basin from northwestern Pennsylvania to eastern Illinois, and south to Tennessee and northern Georgia in the USA; White and St. Francis River drainages in Missouri and Arkansas, USA; Mississippi River in western Tennessee, USA; Ouachita River and Red River drainages in the USA.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 13.0 cm TL mannelijk / geslacht onbekend; (Ref. 5723); common length : 4.4 cm TL mannelijk / geslacht onbekend; (Ref. 12193); max. gerapporteerde leeftijd: 5 Jaren (Ref. 12193)
Adults inhabit clean rocky riffles, shoals and runs of small to large rivers. Often found near vegetation (Ref. 5723, 10294). They feed on larvae of aquatic insects, dominated by mayflies (Ref. 10294).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | 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: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00589 (0.00256 - 0.01357), b=3.07 (2.87 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (tmax=5).
Kwetsbaarheid van de visserij (Ref.
59153): Low vulnerability (10 of 100).
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