Taxonomic Remarks
See Vari (1989:17) for detailed description.
Ambiente: milieu / zona climática / intervalo de profundidade / gama de distribuição
Ecologia
; Água doce bentopelágico. Tropical
South America: Essequibo, Orinoco, and Branco River basins, central portion of the Amazon River basin. Reported from Argentina (Ref. 9086).
Tamanho / Peso / Idade
Maturidade: Lm ?  range ? - ? cm
Max length : 12.9 cm SL macho/indeterminado; (Ref. 34107)
Descrição breve
Chaves de identificação | Morfologia | Morfometria
This species has small silvery scales; small mouth, and with a relatively large adipose fin (Ref. 10615).
A mud-eating fish, feeding on the organic matter that forms on submerged stones and higher plants (aufwuchs). Matures sexually under normal rain patterns with first spawning occurring during the first year. Individuals of approximately 16 cm total length have reached sexual maturity. A typical migratory fish, with periodical and prolific reproduction. It does not spawn in captivity nor does it react satisfactorily to the common induced spawning techniques used successfully with other species (Ref. 10615).
Ciclo de vida e comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Vari, R.P., 1989. Systematics of the neotropical characiform genus Psectrogaster Eigenmann and Eigenmann (Pisces: Characiformes). Smithson. Contri. Zool. No. 481, 43 p. (Ref. 34107)
Categoria na Lista Vermelha da IUCN (Ref. 130435: Version 2025-2 (Global))
Ameaça para o homem
Harmless
Utilização humana
Ferramentas
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