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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); gyrinus: gyrinus meaning tadpole (Greek), refers to the similarity in shape and texture to tadpoles (Ref. 10294).
More on author: Mitchill.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bottenlevande; ej vandrande (Ref. 126106). Temperate; 52°N - 26°N
North America: Atlantic and Gulf Slope drainages from New Hampshire to Nueces River in Texas, USA; St. Lawrence-Great Lakes, Hudson Bay (Red River), and Mississippi River basins from Quebec to Saskatchewan in Canada and south to Gulf of Mexico in USA.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 13.0 cm TL hane/ej könsbestämd; (Ref. 5723); common length : 4.8 cm TL hane/ej könsbestämd; (Ref. 12193); rapporterad maxålder: 3.00 år (Ref. 12193)
Adults inhabit lakes, rock-mud-bottomed or detritus-bottomed pools and backwaters of lowland creeks and small to large rivers (Ref. 5723, 10294). They feed on midge, isopods, amphipods, mayfly and caddis 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))
Hot mot människor
Harmless
Mänskliga användningsområden
Verktyg
Särskilda rapporter
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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=0.00933 (0.00533 - 0.01633), b=3.10 (2.94 - 3.26), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.3 ±0.45 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). 🛈 |