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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); insignis: insignis meaning remarkable, referring to some aspect of the appearance (Ref. 10294).
More on author: Richardson.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bottenlevande. Temperate; 45°N - 33°N
North America: Atlantic Slope from St. Lawrence River and southeastern Lake Ontario drainages in New York to upper Altamaha River drainage in Georgia, USA; upper Kanawha (New) River system in Virginia and North Carolina, USA; upper Monongahela River system in the USA.
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 15.0 cm TL hane/ej könsbestämd; (Ref. 5723); common length : 3.7 cm TL hane/ej könsbestämd; (Ref. 12193)
Inhabits rocky riffles and runs of clear, fast creeks and small to medium rivers. Seek cover during the day and actively forage at night (Ref. 93252).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Eggs are laid in masses which the male guards.
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: Version 2024-2)
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=0.00575 (0.00250 - 0.01326), 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 ±0.43 se; based on food items.
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
