分类 / Names
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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: Schultz.
Issue
See Lucena & Menezes (1998) for phylogenetic relationships and Menezes & Lucena (1998) for detailed description.
Environment: milieu / climate zone / 深度上下限 / distribution range
生态学
; 淡水 底中水层性. 熱帶
分布
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South America: Lago Maracaibo basin, Venezuela.
南美洲: Lago Maracaibo 流域，委內瑞拉。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 13.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 38270)
背的软条 (总数) : 11; 臀棘: 3 - 4; 臀鳍软条: 40 - 45; 脊椎骨: 38. The presence of a long thin and up-turned process on the posterosuperior region of the rhinosphenoid is autapomorphic for this species.
Body shape (shape guide): fusiform / normal.
那有在 rhinosphenoid 的 posterosuperior 区域上的一个长的细并且向上到转的突起是 autapomorphic 对于这个鱼种。
Inhabits swamps or marshes of the lower reaches of rivers (Ref. 26543).
栖息于河的下面范围的沼泽或湿地。 (参考文献 26543)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
南美洲: Lago Maracaibo 流域，委內瑞拉。
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 2025-1)
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Estimates based on models
Phylogenetic diversity index (参考文献
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01202 (0.00477 - 0.03032), b=2.99 (2.77 - 3.21), 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): 3.9 ±0.7 se; based on size and trophs of closest relatives
回复力 (参考文献
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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