分類 / Names
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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
生態学
; 新鮮な水 外洋の; 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.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 12.0 cm SL オス/雌雄の選別がない; (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.
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
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)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-1)
Human uses
水産業: 興味がない
用具
特記事項
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インターネットの情報源
Estimates based on models
Phylogenetic diversity index (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).
栄養段階 (Ref.
69278): 4.4 ±0.80 se; based on food items.
回復力 (Ref.
120179): 高い, １５か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
