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Teleostei >
Cypriniformes (Carps) >
Danionidae (Danios) > Rasborinae
Etymology: Rasbora: Rasbora, an Indian word for a fish, also used in Malay peninsula; septentrionalis: From the Latin septentrionalis (from northern areas).
More on author: Kottelat.
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
Asia: Mekong basin in Laos and Yunnan.
亞洲: 寮國與雲南的湄公河流域。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 5.7 cm SL 雄鱼/尚未辨别雌雄; (Ref. 43281)
Lateral line complete; 1 scale row between lateral line and pelvic-fin origin; 13-14 predorsal scales; dorsal-fin origin behind insertion of last pelvic-fin ray; distance between dorsal-fin origin and middle of caudal-fin base equal to distance between middle of eye and dorsal-fin origin; dark lateral stripe from upper extremity of gill-opening to caudal-fin base, more intense posteriorly, continued on caudal fin by a small black spot at base of median rays; dorsolateral stripe present, separated from dark lateral stripe by narrow light lateral stripe; 1.5-2 scales along dorsal midline between base of last dorsal-fin ray and vertical through anal-fin origin; caudal fin light yellow in life, with a very thin posterior dark margin (Ref. 36949).
Body shape (shape guide): elongated.
侧线完整; 在侧线与腹鳍起点之间的 1 鳞片列; 13-14个前背的鳞片; 在最后腹鳍鳍条的嵌入后面的背鳍起点; 背鳍起点之间的距离，而且尾鳍基底的中央等于眼与背鳍起点的中央之间的距离; 来自鳃裂到尾鳍基底的最上层的深色的侧面斑纹, 更密集在后部地, 在中央鳍条的基底继续一个小黑色的斑点尾鳍; 背外侧的斑纹存在的, 与狭窄淡的侧面斑纹的深色侧面斑纹分开了; 1.5-2 鳞片沿着背鳍中线在最后背鳍鳍条的基底之间与垂直的通过臀鳍起源; 尾鳍淡黄色的活着时, 具有一个非常细的在后部的深色边.(参考文献 36949)
This is one of the northernmost ranging species of Rasbora (Ref. 36949). Reaches up to at least 5.7 mm SL (Ref. 43281).
这是最北方 Rasbora 的分布种之一。 (参考文献 36949) 达到至少 5.7 mm SL.(参考文献 43281)
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
亞洲: 寮國與雲南的湄公河流域。
Kottelat, M., 2000. Diagnosis of a new genus and 64 new species of fishes from Laos (Teleostei: Cyprinidae, Balitoridae, Bagridae, Syngnathidae, Chaudhuriidae and Tetraodontidae). J. South Asian Nat. Hist. 5(1):37-82. (Ref. 36949)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
人类利用
渔业: 潜在的兴趣
工具
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): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00708 (0.00291 - 0.01722), b=3.08 (2.89 - 3.27), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
营养阶层 (参考文献
69278): 3.1 ±0.4 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.).
渔业脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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