>
Characiformes (Characins) >
Characidae (Characins; tetras) > Exodontinae
Etymology: Roeboexodon: Latin, rubus, ruber, reddish + Latin, ex = out + Greek, odous = teeth.
Issue
Species inquirenda in Characidae according to Reis et al. (2003: Ref. 48062). This species is uncertain in Eschmeyer (CofF ver. Jul. 2010: Ref. 84883), but is placed in the genus Roeboexodon . Please send references, or more studies are needed.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; Água doce pelágico(a,os,as); pH range: 6.0 - 6.8; dH range: 8 - 15. Tropical; 23°C - 26°C (Ref. 12468)
South America: Amazonas basin, Tocantins basin, and rivers of Guianas.
Tamanho / Peso / Idade
Maturity: Lm ?  range ? - ? cm
Max length : 12.0 cm SL macho/indeterminado; (Ref. 38376)
Relatively rare. Encountered in creeks with rapidly flowing water over a sandy substrate. The particular form of its dentition allows it to feed on the scales of the other fish (Ref. 12225). See color photo in Ref. 12225.
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Planquette, P., P. Keith and P.-Y. Le Bail, 1996. Atlas des poissons d'eau douce de Guyane. Tome 1. Collection du Patrimoine Naturel Volume 22, MNHN, Paris & INRA, Paris. 429 p. (Ref. 12225)
Status na Lista Vermelha da UICN (Ref. 130435: Version 2024-1)
Ameaça para os humanos
Harmless
Uso pelos humanos
Pescarias: sem interesse
Ferramentas
Relatórios especiais
Baixar XML
Fontes da internet
Estimates based on models
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00177 - 0.01179), b=3.13 (2.91 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 4.4 ±0.80 se; based on food items.
Resiliência (Ref.
120179): Elevada, tempo mínimo de duplicação da população menor que 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).