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> Characiformes (Characins) > Serrasalmidae (Piranhas and pacus) > Myleinae
Etymology: Myloplus: Greek, mylos, -ou = grey mullet + Greek, plus, ploos = movement of a serpent.
More on authors: Müller & Troschel.

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

; agua dulce bentopelágico; pH range: 5.0 - 7.0; dH range: ? - 15. Tropical; 23°C - 27°C (Ref. 13371)

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

South America: Amazon and Orinoco River basins; north and eastern Guiana Shield rivers.

Tamaño / Peso / Age

Maturity: L_m ? range ? - ? cm
Max length : 41.5 cm TL macho / no sexado; (Ref. 111518); peso máximo 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 Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva

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).

Main reference Upload your references | Referencias | Coordinador | Colaboradores

Ortega, H. and R.P. Vari, 1986. Annotated checklist of the freshwater fishes of Peru. Smithson. Contrib. Zool. (437):1-25. (Ref. 6329)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 21 December 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Traumatogenic

Human uses

Pesquerías: escaso valor comercial; Acuario: Comercial

FAO - Publication: search | FishSource |

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componentes alimenticios
consumo de alimento
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Metabolismo
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Madurez
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Fecundidad
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Age/Size
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Length-length
Length-frequencies
Morfometría
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Fuentes de Internet

Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.02291 (0.01327 - 0.03955), b=2.98 (2.83 - 3.13), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).

Nivel trófico (Ref. 69278): 2.0 ±0.00 se; based on food items.

Resiliencia (Ref. 120179): Alto, población duplicada en un tiempo mínimo inferior a 15 meses (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low to moderate vulnerability (32 of 100).

Price category (Ref. 80766): Unknown.

Myloplus rubripinnis (Müller & Troschel, 1844)