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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); bison: The specific epithet bison refers to the enlarged nuchal hump present on large breeding males w/c is reminiscent of the body shape of the North American bison.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Temperate
North America: Occurs in tributaries of the lower Duck and lower Tennessee Rivers.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.8 cm SL male/unsexed; (Ref. 137577)
Dorsal spines (total): 9 - 10; Dorsal soft rays (total): 13 - 14; Anal soft rays: 7 - 8. Differs from all members of the complex in having in the breeding male the horizontal lines restricted to a series of long dark dashes, and upper sides with a zone of light tan extending the length of the body. It differs from all other species by modally having 8 anal rays and 6 scales below the lateral line (Ref. 27671).
Body shape (shape guide): elongated.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Ceas, P.A. and L.M. Page, 1997. Systematic studies of the Etheostoma spectabile complex (Percidae; Subgenus Oligocephalus), with descriptions of four new species. Copeia 1997(3):496-522. (Ref. 27671)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
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