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Perciformes/Percoidei (Perchs) >
Percidae (Perches) > Etheostomatinae
Etymology: Etheostoma: Greek, etheo = to strain + Greek, stoma = mouth; Rafinesque said "various mouths", but Jordan and Evermann suggest the name might have been intended as "Heterostoma (Ref. 45335); asprigene: From the words aspri, meaning rough; and gene, cheek (referring to the well-scaled cheeks) (Ref. 10294).
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bentopelagisk. Subtropical; 45°N - 30°N
North America: Mississippi River basin lowlands from Wisconsin and Minnesota to Louisiana and eastern Texas in the USA; and on Gulf Slope in Sabine-Neches drainages in Louisiana and Texas.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 7.1 cm TL hane/ej könsbestämd; (Ref. 5723); common length : 5.0 cm TL hane/ej könsbestämd; (Ref. 12193); rapporterad maxålder: 3.00 år (Ref. 12193)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Inhabits sluggish riffles over rocks or debris in small to large rivers; also lowland lakes (Ref. 5723), creeks, swamps and reservoirs (Ref. 10294). Feeds mainly on midge and blackfly larvae (Diptera); small fish consumes more microcrustaceans (Ref. 79012).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | 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)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00676 (0.00306 - 0.01496), b=3.12 (2.94 - 3.30), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.3 ±0.5 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Hög, lägsta populationsfördubblingstid mindre än 15 månader (tmax=3). |
Sårbarhet i fisket (Ref. 59153) |
Low vulnerability (16 of 100). 🛈 |