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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); histrio: histrio meaning harlequin, referring to the mask-like facial pigmentation (Ref. 10294).
More on authors: Jordan & Gilbert.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bentopelagisk. Temperate; 39°N - 31°N
North America: Former Mississippi Embayment and Gulf Slope drainages from Kentucky and Missouri to Louisiana, and from Escambia River in Alabama and Florida to Neches River in Texas in the USA. In Red and Arkansas drainages west to Oklahoma and Texas; in Wabash River drainage and Green River system in USA.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 7.7 cm TL hane/ej könsbestämd; (Ref. 5723); common length : 5.4 cm TL hane/ej könsbestämd; (Ref. 12193)
Inhabits sand and gravel runs of small to medium rivers, usually near debris (Ref. 5723, 10294). Feeds on midge, blackfly, and caddisfly larvae, and mayfly nymphs (Ref. 10294).
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
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00676 (0.00303 - 0.01510), 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 (Preliminary K or Fecundity.).
Sårbarhet i fisket (Ref.
59153): Low vulnerability (10 of 100).
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