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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).
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
; eau douce benthopélagique. 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.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 7.1 cm TL mâle / non sexé; (Ref. 5723); common length : 5.0 cm TL mâle / non sexé; (Ref. 12193); âge max. reporté: 3.00 années (Ref. 12193)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
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).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 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). |
Niveau trophique (Réf. 69278) |
3.3 ±0.5 se; based on size and trophs of closest relatives |
Résilience (Réf. 120179) |
Haut, temps minimum de doublement de population inférieur à 15 mois (tmax=3). |
Vulnérabilité de la pêche (Ref. 59153) |
Low vulnerability (16 of 100). 🛈 |