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Characiformes (Characins) >
Lebiasinidae (Pencilfishes) > Pyrrhulininae
Etymology: Pyrrhulina: Greek, pyrrhos = red, with the colour of the fire (Ref. 45335).
More on authors: Zarske & Géry.
Ambiente: milieu / zona climática / intervalo de profundidade / gama de distribuição
Ecologia
; Água doce bentopelágico. Tropical
South America: Rio Tapajós basin, Brazil.
Tamanho / Peso / Idade
Maturidade: Lm ?  range ? - ? cm
Max length : 3.7 cm SL macho/indeterminado; (Ref. 38400)
Descrição breve
Chaves de identificação | Morfologia | Morfometria
Espinhos dorsais (total) : 2; Raios dorsais moles (total) : 7 - 8; Espinhos anais: 3 - 4; Raios anais moles: 7 - 8; Vértebras: 32 - 33. A small species of Pyrrhulina to which it belongs because of its head morphology, although elongated body, posterior placement of dorsal fin, and elongated fin rays resemble Copella. Height at origin of pelvic fins 4.6-5 times in SL, and at origin of dorsal fin 4.8-5.1 times in SL; caudal peduncle relatively low and 1.6-2.1 times in SL; head length 3.9-4.4 times in SL; pre-dorsal length 1.5-1.6 times in SL. 21-23 scales in lateral line row; 12-13 scales on back in front of dorsal fin. Color in alcohol bright olive to brown, with a short black bar from the tip of the lower jaw to the eyes. Scales on sides with bright center. 'Spines' refer to unbranched rays.
Body shape (shape guide): elongated; Cross section: circular.
In creeks and small ponds.
Ciclo de vida e comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Zarske, A. and J. Géry, 2001. Pyrrhulina elongata sp.n. - ein neuer Salmler aus dem Einzugsgebiet des Rio Tapajos in Brasilien (Teleostei: Characiformes: Lebiasinidae). Zool. Abh. Mus. Tierkde. Dresden 51(2):15-21. (Ref. 38400)
Categoria na Lista Vermelha da IUCN (Ref. 130435: Version 2025-2 (Global))
Ameaça para o homem
Harmless
Utilização humana
Pescarias: de interesse potencial
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=0.00646 (0.00280 - 0.01488), b=3.13 (2.93 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Vulnerabilidade da pesca (Ref.
59153): Low vulnerability (10 of 100).
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