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); gracile: gracile (Latin)=slender or thin (Ref. 1094, Ref.79012).
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Subtropical; 41°N - 28°N
North America: Mississippi River basin from central Illinois and northeastern Missouri to Louisiana; extends up Arkansas and Red River drainages to southeastern Kansas and eastern Oklahoma; and Gulf Slope drainages from Tombigbee River (1 record) in Mississippi to Nueces River in Texas in the USA.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.0 cm TL male/unsexed; (Ref. 5723); common length : 4.3 cm TL male/unsexed; (Ref. 12193); max. reported age: 4 years (Ref. 12193)
Occur in standing or slow-flowing water over mud, often in vegetation (Ref. 5723, 10294). Eggs are found attached to the substrate unguarded (Ref. 7043).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Eggs are found attached to the substrate unguarded (Ref. 7043).
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. 119314)
CITES (Ref. 115941)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
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=0.00513 (0.00204 - 0.01288), b=3.14 (2.92 - 3.36), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.2 ±0.5 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (tmax=4).
Vulnerability (Ref. 59153
): Low vulnerability (13 of 100) .