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Clasificación / Nombres Nombres comunes | Sinónimos | Catalog of Fishes(Género, Especie) | ITIS | CoL | WoRMS | Cloffa
> Gymnotiformes (Knifefishes) > Sternopygidae (Glass knifefishes) > Eigenmanninae
Etymology: Archolaemus:Greek, archo = anus + Greek, laimos = throat (Ref. 45335); ferreirai:Named for Efrem Ferreira of the Instituto Nacional de Pesquisas da Amazônia, one of the collectors of the type series, in recognition of his many contributions to the understanding of the Amazonian fish fauna. Eponymy: Dr Efrem Jorge Gondim Ferreira (d: 1954) is a Brazilian ichthyologist, who is a Senior Researcher III at Instituto Nacional de Pesquisas da Amazônia, Manaus, and Professor of the Postgraduate Programme in Fresh Water Biology and Inland Fisheries. [...] (Ref. 128868), visit book page.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución Ecología
South America: Rio Mucajaí and Rio Uraricoera in the north-eastern portions of the Amazon basin, Brazil.
Tamaño / Peso / Edad
Madurez: Lm? range ? - ? cm Max length : 34.2 cm TL macho / no sexado; (Ref. 93148)
Descripción breve Claves de identificación | Morfología | Morfometría
Radios blandos anales: 190 - 222. Distinguished from other congeners by having the following combinations of characters: length of the gape with the rictus falling short of the vertical through the posterior naris; the length of the coronomeckelian bone 50% or more the length of Meckel’s cartilage; the length of the posterior ceratohyal approximately the same length as the ventral hypohyal; 10-14 scales above the lateral line at the midbody; the form of the premaxilla with the anteroposterior length greater than the transverse width; the distribution of the teeth on the dentary restricted to anterior one-half or slightly more of the dorsal margin; five or six teeth arranged in single row on the internal surface of the endopterygoid; presence of a narrow dark stripe along the lateral line and a broad band of dusky to dark pigmentation overlying the basal pterygiophores of the anal fin; 18-21 pectoral-fin rays; 190-222 anal-fin rays (Ref. 93148). Body shape (shape guide): elongated.
The type locality, Rio Mucajaí, is characterized by rapid flowing water and a 20 m high waterfall. The species was encountered above these falls in an area with many rapids and no still backwaters (Ref. 93148).
Ciclo vital y comportamiento de apareamiento Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Vari, R.P., C.D. de Santana and W.B. Wosiacki, 2012. South American electric knifefishes of the genus Archolaemus (Ostariophysi, Gymnotiformes): undetected diversity in a clade of rheophiles. Zoological Journal of the Linnaean Society 165:670-699. (Ref. 93148)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Ecología Trófica Alimentos (presas) Composición de la dieta consumo de alimento Raciones de comida Despredadores
Ecología Ecología
Dinámica de la población Coeficiente del crecimiento para Edades / tallas máximas Longitud-peso rel. Longitud-longitud rel. Longitud-frecuencias Conversión de masas Reclutamiento Abundancia
Ciclo de vida Reproducción Madurez Madurez/Gills rel. Fecundidad Puesta Agregaciones de desove Huevos Desarrollo de los huevos Larva Dinámica larvaria
Fisiología Composición corporal Nutrientes Consumo del oxígeno Tipo de natación Velocidad de natación Pigmentos visuales Sonido de peces Enfermedades y parásitos Toxicidad (CL50)
