分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
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: presently known only from the Nam Tha watershed in Louang Namtha Province and Nam Beng watershed in Oudomxai Province, Mekong basin, northern Laos.
亞洲: 目前已知只來自在 Louang Namtha 省的 Nam Tha 分水嶺而且在 Oudomxai 省，寮國北部的湄公河流域已知只來自 Nam Beng 分水嶺。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 5.2 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) : 10 - 11; 臀鳍软条: 14 - 15; 脊椎骨: 35 - 36. With complete lateral line, without infraorbital process; with mostly 7 branched dorsal-fin rays and 11 branched anal-fin rays. Danio leptos can be distinguished from other striped Danio by its slender body (body depth 25.8-27.7% SL, versus over 29.2 in most striped Danio) and a color pattern consisting in three horizontal stripes on the sides of the body, with the middle one (P stripe) deeper (about one scale deep) and more prominent that the other two (P+1 and P-1 stripes), and, anteriorly on the sides, the dark pigment organized in vertical elements, separated by thin, irregular light interspaces, which appears somewhat similar to the vertical bars in the barred Danio species. The most similar species, D. chrysotaeniatus, has 8-9 branched dorsal-fin rays and 12-13 branched anal-fin rays, and a few short, horizontal lines derived from the I-1 interspace, instead of dark blotches anteriorly on the side.
具有侧线完整, 没有眶下的突起; 大部份具有 7个分枝的背鳍鳍条与 11个分枝的臀鳍棘条。 Danio leptos 能另外地被区分有斑纹的 Danio 用它的细长身体 (体高 25.8-27.7% SL, 对超过 29.2 在大部分方面有斑纹的 Danio) 与一条彩色斑纹在于三条水平的斑纹在身体侧边上, 藉由一个中央的比较深的 (大约一个鳞片深的) 而较突出的另一个二 (P+1 与 P-1 斑纹), 与, 前面地侧边上，深色素在被分开的垂直的要素组织了被细的, 不规则的淡间隙, 出现略微类似纵带在那有条纹的 Danio 种。 最相似的种 , D. chrysotaeniatus,有 8-9个分枝的背鳍鳍条与 12-13个分枝的臀鳍棘条, 与一些短水平线衍生的从 I-1 间隙, 前面地侧边上取代黑色斑块。
Found in a hill stream in dense forest, about 5-30 cm deep (mostly 5-10), 50-150 cm wide, with slow to moderate current, very clear water, and bottom consisting of sand to pebbles and rock outcrops. Occurs also in a forest stream 20-70 cm deep, about 4 m wide, with moderate current over pebbles and boulders and in a headwater in a secondary forest, very shallow (about 2-50 cm, but mostly 5-15), 30-200 cm wide, with very slow to slow current, clear water and bottom consisting of mud to pebbles.
发现于在茂密森林中的一个丘陵溪流了, 大约 5-30 公分深 (大部份 5-10) ， 50-150 公分宽的，水流缓慢到中等的地方，最清澈的水域, 而且底部包含沙子到小圆石与裸露的岩石。 在一个森林水流中也生存 20-70 公分深 , 大约 4 公尺宽, 藉由在小圆石与磐石上的平稳水流与在一个次级森林中的一个河川源头中, 很浅的 (大约 2-50 公分, 但是大部份 5-15),30-200 公分宽的，水流慢或很慢的地方, 清澈的水域而且底部包含泥到小圆石。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
亞洲: 目前已知只來自在 Louang Namtha 省的 Nam Tha 分水嶺而且在 Oudomxai 省，寮國北部的湄公河流域已知只來自 Nam Beng 分水嶺。
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=0.00457 (0.00175 - 0.01195), b=3.15 (2.92 - 3.38), 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).
