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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).
Eponymy: Charles Hyde Olmsted (1798–1878) was once President of the Hartford Natural History Society in Connecticut. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Temperate; 10°C - 24°C (Ref. 12468); 47°N - 29°N
North America: St. Lawrence River in Quebec and Ontario (absent in Maine, USA) in Canada to Altamaha River in Georgia, USA; in St. Johns River drainage in Florida and in Lake Ontario drainage in New York in the USA.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 11.0 cm TL male/unsexed; (Ref. 5723); common length : 5.1 cm TL male/unsexed; (Ref. 12193); max. reported age: 4 years (Ref. 12193)
Inhabits sandy and muddy pools of headwaters, creeks and small to medium rivers; and shores of lakes (Ref. 5723). Eggs are found clustered on underside of stone and guarded by males (Ref. 7043).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Eggs are found clustered on underside of stone (Ref. 7043). Males guard the eggs (Ref. 7043). Also Ref. 53335.
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: Version 2024-2)
Threat to humans
Harmless
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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=0.00676 (0.00301 - 0.01516), b=3.12 (2.94 - 3.30), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 2.9 ±0.36 se; based on food items.
Resilience (Ref.
120179): Medium, minimum population doubling time 1.4 - 4.4 years (tmax=4).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).