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Teleostei >
Cypriniformes (Carps) >
Danionidae (Danios) > Danioninae
Etymology: Devario: Bangla/Bengali:‘debari’, local name for these fishes; also meaning ‘brother in law’ (Ref. 2031).
More on authors: Fang & Kottelat.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. 熱帶
Asia: known only from the type locality, a stream near Ban Nakbon, Nam Youan watershed of the Mekong basin, northern Laos. Probably in Yunnan, China (Ref. 43281).
亞洲: 已知只來自模式標本產地了, 在湄公河流域，寮國北部的 Ban Nakbon 與 Nam Youan 的分水嶺附近的一個水流。 可能在中國雲南.(參考文獻 43281)
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 3.8 cm SL 雄鱼/尚未辨别雌雄; (Ref. 37788)
简单描述
检索表 | 型态特徵 | 形态测量图
背的软条 (总数) : 9 - 10; 臀鳍软条: 12 - 13; 脊椎骨: 33 - 35. Without lateral line, without infraorbital process, with mostly 7 branched dorsal-fin rays and 9-10 branched anal-fin rays. Danio apopyris can be distinguished from all other Danio species by the combination of having 4-6 dark vertical bars anteriorly on the sides of the body, a horizontal dark P stripe extending to the end of the median caudal-fin rays, and no barbels. It differs in color pattern from the other barred Danio by having the horizontal P stripe extending onto the end of the caudal-fin rays instead of being confined to the caudal peduncle, and in the possession of a P + 1 stripe. Danio apopyris and Danio apogon are the only two barred Danio species without barbels and without lateral line.
没有侧线,没有眶下的突起, 藉由大部份 7个分枝的背鳍鳍条与 9-10个分枝的臀鳍棘条。 Danio apopyris 能前面地有 4-6个深色的纵带被与全部其他的 Danio 种区分藉由组合在身体侧边上, 延伸至中央尾鳍鳍条的末端 , 与没有触须的一条水平的深色 P 斑纹。 它不同之处为来自另一个的彩色斑纹条纹 Danio 藉着具有水平的而不是局限于的尾梗延伸到尾鳍鳍条的末端的 P 斑纹, 与在拥有 a P+1条斑纹。 Danio apopyris 与 缺须 ［Danio apogon］ 是唯一的二个有条纹的 Danio 种没有触须而且没有侧线。
Found in a small stream near a village in the bottom of the valley, with slow current and shallow water (maximum of 20 cm deep). The surrounding area was mostly paddy fields with almost no shade. The bottom varies from small gravel to mud.
在山谷的底部中的一个村庄的附近发现于一个小的水流了, 水流浅且和缓的地方 (20 公分深的极大). 周围的区域大部份是稻田几乎没有遮荫的地方。 底部从小的砾石到泥改变。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
亞洲: 已知只來自模式標本產地了, 在湄公河流域，寮國北部的 Ban Nakbon 與 Nam Youan 的分水嶺附近的一個水流。 可能在中國雲南.(參考文獻 43281)
Fang, F. and M. Kottelat, 1999. Danio species from northern Laos, with descriptions of three new species (Teleostei: Cyprinidae). Ichthyol. Explor. Freshwat. 10(3):281-295. (Ref. 37788)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00891 (0.00371 - 0.02139), b=3.05 (2.85 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.0 ±0.4 se; based on size and trophs of closest relatives
回复力 (Ref.
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).
