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俗名 | 同種異名 | Catalog of Fishes(屬, 種) | 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: Pellegrin & Fang.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 熱帶
Asia: Salween River to the middle Mekong.
亞洲: 薩爾溫江到湄公河中游。
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 8.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 12693)
背棘 (總數): 0; 背的軟條 (總數): 11-12; 臀棘 0; 臀鰭軟條: 15 - 17; 脊椎骨: 35 - 36. Complete lateral line, infraorbital process well developed. Distinguished from all other Danio species by its unique color pattern, having a dark stripe somewhat weakly pigmented anterior to vertical from dorsal-fin origin, getting thicker and darker posteriorly, and ending at the base of caudal fin. The most similar species, D. chrysotaeniatus, lacks the infraorbital process, has three rows of pharyngeal teeth, and has the P stripe extending to the end of the caudal-fin rays. Unlike all other striped Danio species so far examined for this character, D. laoensis has only two instead of three or four rows of pharyngeal teeth (Ref. 37788). With 8-9 1/2 branched dorsal rays and 12-14 1/2 branched anal rays (Ref. 43281).
側線完整又眶下的突起發展良好的。 與所有的其他 Danio 種區分了用它的被有一個深色的斑紋略微模糊的獨特的彩色斑紋位於前垂直的從背鰭起點, 在後部地更厚與更深色, 而且終點在尾鰭基底。 最相似的種 , D. chrysotaeniatus, 缺乏眶下的突起, 有三個列的咽齒, 而且有延伸至尾鰭鰭條的末端的 P 斑紋。 到現在為止不像所有的其他有斑紋的 Danio 種為這特徵調查, D. laoensis 只有二取代三或四個列的咽齒.(參考文獻 37788) 8-91/2個分枝的背鰭鰭條與 12-141/2個分枝的臀鰭鰭條.(參考文獻 43281)
Inhabits clear, rapidly flowing water (Ref. 12693). Found in rapid-running mountain streams of the middle Mekong (Ref. 12975). Feeds on insects and other invertebrates (Ref. 12693).
棲息於清澈又快速流動的水。 (參考文獻 12693) 發現於湄公河中游的湍急山地溪流了。 (參考文獻 12975) 吃昆蟲與其他的無脊椎動物。 (參考文獻 12693)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
亞洲: 薩爾溫江到湄公河中游。
Rainboth, W.J., 1996. Fishes of the Cambodian Mekong. FAO species identification field guide for fishery purposes. FAO, Rome, 265 p. (Ref. 12693)
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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).
營養階層 (Ref.
69278): 3.4 ±0.39 se; based on food items.
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).