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Siluriformes (Catfishes) >
Ictaluridae (North American freshwater catfishes)
Etymology: Ictalurus: Greek, ichtys = fish + Greek, ailouros = cat (Ref. 45335); furcatus: The specific name furcatus meaning forked, referring to the deeply forked caudal fin (Ref. 10294).
More on author: Valenciennes.
Taxonomic Remarks
Ictalurus meridionalis (Günther 1864) is tentatively valid in CofF after Gilbert (1998).
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten; brackvatten bottenlevande; flodvandrande (Ref. 126106); djupintervall ? - 50 m (Ref. 125908). Subtropical; 44°N - 15°N, 108°W - 80°W (Ref. 86798)
North America: USA (Mississippi River basin from western Pennsylvania to southern South Dakota and Platte River in southwestern Nebraska, south to Gulf; Gulf Slope from Escambia River drainage (where introduced), Alabama and Florida, to Rio Grande drainage in Texas and New Mexico; and Mexico. Introduced in Atlantic Slope drainages, western states, and Minnesota.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 165 cm TL hane/ej könsbestämd; (Ref. 86798); publicerad maxvikt: 68.0 kg (Ref. 9988); rapporterad maxålder: 21 år (Ref. 12193)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Adults inhabit deep water of impoundments and main channels and backwaters of medium to large rivers, over mud, sand and gravel (Ref. 5723, 86798) with preference for clear, strongly flowing water. They stay on the bottom during the day in deep areas and moves into swifter water at night to feed (Ref. 117513). Food consists of small aquatic invertebrates, clams and fishes (Ref. 93252). Eggs are deposited in nests under under logs, brush, or riverbank (Ref. 117513). Males build nest often in pools or backwaters (Ref. 117513). Marketed fresh and frozen. Eaten steamed, fried, broiled, microwaved and baked (Ref. 9988).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Page, L.M. and B.M. Burr, 2011. A field guide to freshwater fishes of North America north of Mexico. Boston : Houghton Mifflin Harcourt, 663p. (Ref. 86798)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: kommersiell; Vattenbruk: kommersiell; sportfisk: ja; Akvarium: Offentliga akvarier
Verktyg
Särskilda rapporter
Ladda ner XML
Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00513 (0.00296 - 0.00889), b=3.12 (2.96 - 3.28), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.4 ±0.44 se; based on food items. |
Resiliens (Ref. 120179) |
Låg, lägsta populationsfördubblingstid 4,5-14 år (tmax=21). |
Sårbarhet i fisket (Ref. 59153) |
High to very high vulnerability (70 of 100). 🛈 |
Priskategori (Ref. 80766) |
Unknown.
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Näringsämnen (Ref. 124155) |
Calcium = 30.3 [18.0, 71.8] mg/100g; Iron = 0.834 [0.512, 1.441] mg/100g; Protein = 16.6 [14.7, 18.6] %; Omega3 = 0.378 [0.200, 0.729] g/100g; Selenium = 48.7 [26.5, 98.1] μg/100g; VitaminA = 5.97 [2.38, 14.97] μg/100g; Zinc = 0.64 [0.45, 0.88] mg/100g (wet weight); |