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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); munitus: munitus meaning armed, referring to the excessive development of both anterior and posterior pectoral fin serrae (Ref. 10294).
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bottenlevande; ej vandrande (Ref. 126106). Temperate; 36°N - 32°N
North America: Gulf Slope drainages in the USA: disjunct populations in Conasauga River, Tennessee; Etowah River, Georgia; Cahaba River, central Alabama; Tombigbee River in western Alabama and eastern Mississippi; and Pearl River in southern Mississippi and eastern Louisiana.
Storlek / Vikt / Ålder
Könsmognad: Lm ? range ? - ? cm
Max length : 9.5 cm TL hane/ej könsbestämd; (Ref. 5723); common length : 5.5 cm TL hane/ej könsbestämd; (Ref. 12193)
Adults occur in rocky riffles and runs of medium to large rivers. Often found near vegetation (Ref. 5723, 10294). They feed on hydropsychid caddisfly larvae, ephemerellid mayfly nymphs, and blackfly and midge larvae (Ref. 10294).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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 på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Sårbar (VU) (B2ab(i,ii,iii,iv,v)); Date assessed: 31 July 2012
Hot mot människor
Harmless
Mänskliga användningsområden
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (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).
Trofisk nivå (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (tm<1).
Sårbarhet i fisket (Ref.
59153): Low vulnerability (10 of 100).
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