分類 / 名前
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
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Characiformes (Characins) >
Characidae (Characins; tetras) > Exodontinae
Etymology: Roeboexodon: Latin, rubus, ruber, reddish + Latin, ex = out + Greek, odous = teeth.
Taxonomic Remarks
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.
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
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
成熟: 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.
ライフサイクルと交尾行動
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 2025-2 (Global))
人間の用途
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
モデルに基づく推定値
系統多様性指数 (参照 82804) |
PD50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00457 (0.00176 - 0.01190), b=3.13 (2.90 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
栄養段階 (参照 69278) |
4.4 ±0.80 se; based on food items. |
漁業の脆弱性 (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |