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Teleostei >
Characiformes (Characins) >
Acestrorhynchidae (Smallscale pike characins) > Roestinae
Eponymy: Dr Charles Henry Gilbert (1859–1928) was an ichthyologist and fishery biologist, whose main area of study was Pacific salmon. [...] (Ref. 128868), visit book page.
More on author: Steindachner.
Taxonomic Remarks
See Lucena & Menezes (1998) for phylogenetic relationships and Menezes & Lucena (1998) for detailed description.
环境:氛围 / 气候带 / 深度上下限 / 分布范围
生态学
; 淡水 底中水层性. 熱帶
分布
领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
South America: Rio Magdalena and Lago Maracaibo basin.
南美洲: Rio Magdalena 與 Lago Maracaibo 流域。
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 14.3 cm SL 雄鱼/尚未辨别雌雄; (Ref. 96636); 最大体重: 44.20 g (Ref. 96636)
简单描述
检索表 | 型态特徵 | 形态测量图
背的软条 (总数) : 10 - 11; 臀鳍软条: 49 - 53. Fewer lateral line scales (58-59, versus 64-70 in G. maracaiboensis and 68-75 in G. atratoensis), fewer scale rows between lateral line and anal-fin origin (9-11, versus 12-14 in G. maracaiboensis and 13-16 in G. atratoensis) and fewer scale rows around caudal peduncle (19, versus 21-23 in G. maracaiboensis and 21-23 in G. atratoensis).
较少的侧线鳞片 (58-59, 对 64-70 在 G. maracaiboensis 与 68-75 在 G. atratoensis), 在侧线与臀鳍起源 (9-11, 对 12-14 在 G. maracaiboensis 与 13-16 在 G. atratoensis) 与较少的鳞片之间的较少的鳞片列尾柄的周围列.(19, 对 21-23 在 G. maracaiboensis 与 21-23 在 G. atratoensis)
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
南美洲: Rio Magdalena 與 Lago Maracaibo 流域。
Menezes, N.A. and C.A.S. de Lucena, 1998. Revision of the subfamily Roestinae (Ostariophysi: Characiformes: Cynodontidae). Ichthyol. Explor. Freshwat. 9(3):279-291. (Ref. 33012)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
人类利用
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特别资料
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网络资源
基于模型的估算
系统发育多样性指数 (参考文献 82804) |
PD50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01202 (0.00470 - 0.03074), b=3.00 (2.78 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
营养阶层 (参考文献 69278) |
4.0 ±0.7 se; based on size and trophs of closest relatives |
渔业脆弱性 (Ref. 59153) |
Low vulnerability (20 of 100). 🛈 |