Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > 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).
Environment / Climate / Range
Freshwater; benthopelagic. Subtropical; 45°N - 30°N
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.1 cm TL male/unsexed; (Ref. 5723); common length : 5.0 cm TL male/unsexed; (Ref. 12193); max. reported age: 3 years (Ref. 12193)
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.
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).
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. 90363)
CITES (Ref. 94142)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
CollaboratorsPicturesStamps, CoinsSoundsCiguateraSpeedSwim. typeGill areaOtolithsBrainsVision
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), based on all LWR estimates for this body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.2 ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (tmax=3).
Vulnerability (Ref. 59153
): Low vulnerability (14 of 100) .