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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.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bottenlevande. 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.
Size / Vikt / Age
Maturity: 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)
Inhabits 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). Feeds on dipteran larvae (midges and blackflies), mayflies (Potamanthus and Stenonema), and hydropsychid caddisflies (Cheumatopsyche) (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=0.00562 (0.00251 - 0.01261), b=3.10 (2.90 - 3.30), 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).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
