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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); xanthovum: Name 'xanthovum' from the ancient Greek word 'xanthos' and Latin word 'ovum', meaning 'yellow' and 'egg', in reference to the yellow egg-mimic structures on the distal end of the second dorsal fin rays in spawning males.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
; agua dulce bentopelágico. Subtropical
North America: USA.
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Max length : 6.5 cm SL macho / no sexado; (Ref. 137685)
Descripción breve
Claves de identificación | Morfología | Morfometría
Espinas dorsales (total) : 7 - 10; Radios blandos dorsales (total) : 11 - 13; Radios blandos anales: 7 - 8. This species is distinguished from its congeners by the following set of characters: absence of modified scales along the midline and translucent skin; presence of a row of three black spots at the base of the caudal fin and dorsal fin rays that extend beyond the fin margin in breeding males; lateral line is incomplete with 41 to 55 lateral line scales, of which 27 to 47 are pored; transverse scale row 12 to 18; scale rows above lateral line modally, scale rows below lateral line modally 8; scale rows around caudal peduncle 19 to 25; dorsal fin spines modally 9; dorsal fin rays modally 12; pectoral fin rays modally 12; anal fin spines 2; anal fin rays 7 to 8; second dorsal fin rays branch into two to four rays that are equal in length, terminating in yellow keratin knobs referred to as egg-mimics in nuptial males; scaled cheek, opercle, breast, nape, and belly are all scaled (Ref. 137685).
Body shape (shape guide): elongated; Cross section: oval.
This species inhabits headwater streams to medium-sized rivers with slow-flowing water and subtstrate mainly composed of sand and gravel. Occurences were also recorded in sloughs and wetlands with soft subtrate of silt and mud over detritus, woody debris, and emergent aquatic vegetation (Ref. 137685).
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Wood, J.E., R.C. Harrington, Z.D. Alley, M.R. Thomas, J.W. Simmons and T.J. Near, 2023. A new species of Spottail darter endemic to the Clarks River in Kentucky and Tennessee (Percidae: Etheostomatinae: Etheostoma). Bulletin of the Peabody Museum of Natural History 64(1):11-37. (Ref. 137685)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Pesquerías: sin interés
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Índice de diversidad filogenética (Referencia 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00676 (0.00306 - 0.01496), 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) |
3.3 ±0.5 se; based on size and trophs of closest relatives |
Resiliencia (Referencia 120179) |
Alto, población duplicada en un tiempo mínimo inferior a 15 meses (Preliminary K or Fecundity.). |
Vulnerabilidad pesquera (Ref. 59153) |
Low vulnerability (18 of 100). 🛈 |