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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); sagitta: The specific epithet sagitta means arrow (Ref. 10294).
More on authors: Jordan & Swain.
Environment: milieu / climate zone / rango de profundidad / distribution range
Ecología
; agua dulce bentopelágico. Subtropical; 38°N - 36°N
North America: upper Cumberland River drainage in Kentucky and Tennessee, USA.
Tamaño / Peso / Age
Madurez: Lm ? range ? - ? cm
Max length : 12.0 cm TL macho / no sexado; (Ref. 5723)
Short description
Claves de identificación | Morfología | Morfometría
Distinguished by having the following characters: body long and slender; snout long and pointed; caudal fin base with 2 black spots partially fused into short bar; straw colored to olive above, 6-9 brown saddles; 7-9 large green Us alternate with orange bars (faint on female) along side; yellow below. Breeding males with bright orange bars on side, red-orange edge on 1st dorsal fin, bands of red -orange spots on 2nd dorsal and caudal fins, blue-green anal and pelvic fins. Lateral line usually incomplete, with 55-69 lateral scales, usually 63 or more; and 49-66 pored lateral-line scales, usually more than 52 (Ref. 86798).
Body shape (shape guide): elongated.
Inhabits rocky riffles and pools of headwaters, creeks and small rivers (Ref. 5723, 10294). Feeds on mayfly nymphs (heptageniids, baetids), blackfly and midge larvae, and lesser numbers of caddisfly, stonefly, and beetle larvae (Ref. 10294).
Life cycle and mating behavior
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
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 2025-1)
Threat to humans
Harmless
Human uses
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Phylogenetic diversity index (Referencia
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).
Nivel trófico (Referencia
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
Generation time: 1.6 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
Resiliencia (Referencia
120179): Alto, población duplicada en un tiempo mínimo inferior a 15 meses (K=0.67-0.79).
Fishing Vulnerability (Ref.
59153): Low vulnerability (17 of 100).
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