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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
生態學
; 淡水 底中水層性. 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 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 3.8 cm SL 雄魚/尚未辨別雌雄; (Ref. 37788)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 9 - 10; 臀鰭軟條: 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.
沒有側線,沒有眶下的突起, 藉由大部份 7個分枝的背鰭鰭條與 9-10個分枝的臀鰭棘條。 Danio apopyris 能前面地有 4-6個深色的縱帶被與全部其他的 Danio 種區分藉由組合在身體側邊上, 延伸至中央尾鰭鰭條的末端 , 與沒有觸鬚的一條水平的深色 P 斑紋。 它不同之處為來自另一個的彩色斑紋條紋 Danio 藉著具有水平的而不是侷限於的尾梗延伸到尾鰭鰭條的末端的 P 斑紋, 與在擁有 a P+1條斑紋。 Danio apopyris 與 缺鬚〔Danio apogon〕 是唯一的二個有條紋的 Danio 種沒有觸鬚而且沒有側線。
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個村莊的附近發現於一個小的水流了, 水流淺且和緩的地方 (20 公分深的極大). 周圍的區域大部份是稻田幾乎沒有遮蔭的地方。 底部從小的礫石到泥改變。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
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).
營養階層 (Ref.
69278): 3.0 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
