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Gymnotiformes (Knifefishes) >
Sternopygidae (Glass knifefishes) > Eigenmanninae
Etymology: Eigenmannia: From Eigenmann, 1910, researcher of faunistic studies (Ref. 45335); macuxi: Named after the indigenous people whose home territory is near the type locality of the new species in Roraima, Brazil; noun in apposition.
Eponymy: Professor Dr Carl Henry Eigenmann (1863–1927) was a German-born American ichthyologist. [...] (Ref. 128868), visit book page.
Ambiente: milieu / zona climática / intervalo de profundidade / gama de distribuição
Ecologia
; Água doce bentopelágico. Tropical
Distribuição
Territórios | Áreas FAO | Ecossistemas | Ocorrências | Mapa dos pontos | Introduções | Faunafri
South America: Brazil.
Tamanho / Peso / Idade
Maturidade: Lm ?  range ? - ? cm
Max length : 13.2 cm TL macho/indeterminado; (Ref. 132316)
Descrição breve
Chaves de identificação | Morfologia | Morfometria
Raios anais moles: 166 - 219. This species is distinguished from all its congeners by the following set of characters: lateral line stripe extending from first perforated lateral line scale to the distal portion of caudal filament; with
superior midlateral stripe with origin posterior to end of body cavity; anal-fin hyaline; caudal filament corresponding to 15.2-43.1% LEA; mouth subterminal; pectoral-fin rays ii,14-16; A 166-219; scale rows above lateral line at vertical through posterior tip of pectoral fin 10-13; lateral line scales 100-128; premaxillary teeth 22-28; dentary teeth 19-23; endopterygoid teeth 7-10; depth of posterodorsal expansion on infraorbitals 1 + 2 half as long as infraorbitals 1 + 2 length; basibranchial 1 unossified; precaudal vertebrae 13; length of coronomeckelian bone corresponding to 20% of Meckel's cartilage length (Ref. 132316).
Cross section: compressed.
Ciclo de vida e comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Dutra, G.M., L.A.W. Peixoto, L.M. Donin, C.D. de Santana and N.A. Menezes, 2024. Integrative taxonomy reveals a new species of the glass knifefish genus Eigenmannia Jordan & Evermann, 1896 (Teleostei: Gymnotiformes: Sternopygidae) from the Rio Branco basin, Brazil. J. Fish Biol. 105(3):825-840. (Ref. 132316)
Categoria na Lista Vermelha da IUCN (Ref. 130435: Version 2025-2 (Global))
Ameaça para o homem
Harmless
Utilização humana
Pescarias: sem interesse
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
Estimativas baseadas em modelos
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00355 (0.00161 - 0.00782), b=2.97 (2.78 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 3.1 ±0.3 se; based on size and trophs of closest relatives
Vulnerabilidade da pesca (Ref.
59153): Low vulnerability (10 of 100).
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