Classificação / Names
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Actinopterygii (peixes com raios nas barbatanas) >
Characiformes (Characins) >
Serrasalmidae ()
Etymology: Myloplus: Greek, mylos, -ou = grey mullet + Greek, plus, ploos = movement of a serpent.
Ambiente / Clima / Intervalo
Ecologia
; Água doce bentopelágico; pH range: 5.0 - 7.0; dH range: ? - 15. Tropical; 23°C - 27°C (Ref. 13371), preferred ?
South America: Amazon and Orinoco River basins; north and eastern Guiana Shield rivers.
Tamanho / Peso / Idade
Maturity: Lm ? range ? - ? cm
Max length : 41.5 cm TL macho/indeterminado; (Ref. 111518); Peso máx. publicado: 2.5 kg (Ref. 27188)
Gregarious and non-aggressive (Ref. 27188). Prefers calm zones of main rivers where the vegetation hangs over the river banks. Feeds on the leaves of river plants (Ref. 12225). Possesses powerful dentition that can cause serious bites. Its reproduction has not yet been carried out in captivity (Ref. 27188).
Life cycle and mating behavior
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
The red hooked anal fin of the female is actually a plough. The male has a bilobed anal fin which is designed to wrap around the female's "hook". During spawning, the female inserts the hook into the substrate (e.g., gravel) and ploughs a furrow while laying the eggs with the male in a position next to her with his bi-lobed fin wrapped around the hook as he fertilises the eggs. The female's "hook" is suprisingly strong and can be pushed into coarse gravel (up to the anal opening) without any problem with a shaking body action, the male's bilobed hook folds under the same pressure so they can work in unison (Ref. 55767).
Ortega, H. and R.P. Vari, 1986. Annotated checklist of the freshwater fishes of Peru. Smithson. Contrib. Zool. (437):1-25. (Ref. 6329)
Status na Lista Vermelha da IUCN (Ref. 115185)
CITES (Ref. 94142)
Not Evaluated
Perigo para os humanos
Traumatogenic
Uso pelos humanos
Pescarias: pouco comercial; Aquário: Espécies comerciais
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