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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: Noturus meaning back tail (referring to the connection of the adipose fin and tail fin); gyrinus Greek for tadpole (Ref. 79012).
More on author: Mitchill.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bottenlevande. 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.
Size / Vikt / Age
Maturity: 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)
Inhabits lakes, rock-, mud-bottomed or detritus-bottomed pools and backwaters of lowland creeks and small to large rivers (Ref. 5723, 10294). Feeds on midge, isopods, amphipods, mayfly and caddis larvae (Ref. 10294).
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | 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)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00933 (0.00526 - 0.01655), 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).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
