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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.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. 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.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.7 cm TL male/unsexed; (Ref. 5723); common length : 5.4 cm TL male/unsexed; (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).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae
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
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00537 (0.00235 - 0.01227), b=3.14 (2.94 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
Resilience (Ref.
120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).