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> Gymnotiformes (Knifefishes) > Sternopygidae (Glass knifefishes)
Etymology: Archolaemus: Greek, archo = anus + Greek, laimos = throat (Ref. 45335); luciae: Named for Lucia Py-Daniel of the Instituto Nacional de Pesquisas da Amazônia, in recognition of her many contributions to the knowledge of the fishes of the Amazon and her assistance to the authors over the years.
Eponymy: Dr Lúcia Helena Rapp Py-Daniel is a Brazilian ichthyologist. (See Py-Daniel) (Ref. 128868), visit book page.

Environment: milieu / climate zone / depth range / distribution range Ecología

; agua dulce bentopelágico. Tropical

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | Faunafri

South America: Rio Jari, Rio Trombetas and Rio Tapajós basins in eastern Amazon; Rio Araguari, Brazil.

Tamaño / Peso / Age

Maturity: L_m ? range ? - ? cm
Max length : 49.7 cm TL macho / no sexado; (Ref. 93148)

Short description Claves de identificación | Morfología | Morfometría

Radios blandos anales: 192 - 213. Distinguished by having the following combination of characters: depth of the caudal filament 3.3-4.8% CL; length of the caudal filament 28.6-46.1% LEA; length of the coronomeckelian bone 50% or more the length of Meckel’s cartilage; length of the posterior ceratohyal approximately the same length as the ventral hypohyal; gape relatively long and the rictus extending posteriorly beyond the vertical through the posterior naris; teeth between seven and ten irregularly distributed on the internal surface of the endopterygoid; anteroposterior length of premaxilla greater than the transverse width; teeth on the dentary restricted to the anterior one-half or slightly more of the dorsal margin; 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; 19-21 pectoral-fin rays; and 192-213 anal-fin rays (Ref. 93148).

Occurs in swift-flowing water habitats. Also found in main stream of shallow rapids and small waterfalls, always over a rocky bottom (Ref. 93418).

Life cycle and mating behavior Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva

Main reference Upload your references | Referencias | Coordinador : Albert, James S. | Colaboradores

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)

IUCN Red List Status (Ref. 130435: Version 2024-1)

Least Concern (LC) ; Date assessed: 07 November 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00372 (0.00175 - 0.00789), b=2.97 (2.78 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Nivel trófico (Ref. 69278): 3.2 ±0.4 se; based on size and trophs of closest relatives

Fishing Vulnerability (Ref. 59153): Moderate vulnerability (40 of 100).

Archolaemus luciae Vari, de Santana & Wosiacki, 2012