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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); miurus: miurus meaning curtailed, probably referring to the short appearance of this fish (Ref. 1998).
More on author: Jordan.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bottenlevande; ej vandrande (Ref. 126106). Subtropical; 44°N - 30°N
North America: lower Great Lakes drainages in Ontario, Canada and New York, USA southwest through most of Ohio River basin and lower Mississippi River basin (west to east Kansas and Oklahoma); Mohawk River in New York; Pearl River and Lake Pontchartrain drainages in Mississippi and Louisiana, USA.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 13.0 cm TL hane/ej könsbestämd; (Ref. 5723); common length : 7.3 cm TL hane/ej könsbestämd; (Ref. 12193); rapporterad maxålder: 3.00 år (Ref. 12193)
Adults inhabit riffles, pools below riffles and runs over gravel and sand mixed with sticks and leaves in creeks and small rivers. Also found in lakes (Ref. 5723, 10294). They feed on dipteran larvae (midges and blackflies), mayflies (Potamanthus and Stenonema), and hydropsychid caddisflies (Cheumatopsyche) (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))
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Harmless
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00589 (0.00252 - 0.01376), 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) |
3.5 ±0.50 se; based on food items. |
Resiliens (Ref. 120179) |
Hög, lägsta populationsfördubblingstid mindre än 15 månader (tmax=3). |
Sårbarhet i fisket (Ref. 59153) |
Low vulnerability (20 of 100). 🛈 |