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Siluriformes (Catfishes) >
Ictaluridae (North American freshwater catfishes)
Etymology: Ictalurus: Greek, ichtys = fish + Greek, ailouros = cat (Ref. 45335); lupus: Ictalurus (Greek)=fish cat; lupus (Latin)=a wolf (Ref. 79012).
More on author: Girard.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bottenlevande. Subtropical; 32°N - 26°N
North America: USA to Rio Grande drainage including Pecos River system in southeast New Mexico and Devils River in southern Texas; also in northeastern Mexico.
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 48.0 cm TL hane/ej könsbestämd; (Ref. 5723); 32.8 cm TL (female)
Inhabits sandy and rocky riffles, runs and pools of clear creeks and small rivers and also springs. Greatly resembles a small channel catfish, however, body lacks spots and the caudal fin is not deeply forked, the base of the anal fin is longer than the head length (see Ref. 3221).
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
Fiskeri: saknar intresse; Akvarium: Kommersiell
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00794 (0.00370 - 0.01703), b=3.11 (2.92 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.6 ±0.4 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (38 of 100).
