分类 / 名称
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Teleostei >
Cypriniformes (Carps) >
Danionidae (Danios) > Danioninae
Etymology: Microdevario: From the Greek 'mikros' meaning small and the generic name Devario, alluding to the small size and its relationship with Devario; nanus: Specific name from the Latin word 'nanus' = dwarf (Ref. 38434).
More on authors: Kottelat & Witte.
环境:氛围 / 气候带 / 深度上下限 / 分布范围
生态学
; 淡水; 半咸淡水 底中水层性. 熱帶
Asia: presently known only from Myanmar, but may have a wider distribution in the Irrawaddy delta.
亞洲: 目前已知只來自緬甸, 但是可能在依洛瓦底江三角州中有一個較寬的分布。
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 1.5 cm SL 雄鱼/尚未辨别雌雄; (Ref. 38434)
In the field, slightly yellow with iridescent blue side and silvery eye and belly; fins translucent with blotch in dorsal fin variably developed; aquarium-kept yellow with iridescent bluish side and silvery-golden eye, belly and opercle. Dorsal fin tip with a black blotch and a fainter one at the tip of the anal fin. Longitudinal scale series 25-26 + 1-2. Predorsal scales 11-13. Branched anal-fin rays 10-11. Dorsal fin rays 3 simple, 7 branched. Pectoral fin slightly falcate, with no axillary lobe. Pelvic fin slightly pointed, 6 rays, 2 axillary scale distinct in largest specimens. Anal fin rays 3 simple, 10-11 branched rays, last one split to the base. Caudal fin with 10 + 9 principal rays, 9 + 8 branched. No lateral line pores. Predorsal scales 11-13 (Ref. 38434).
Body shape (shape guide): fusiform / normal.
在田野中, 些微地黄色的有蓝色虹彩的侧边与银色的眼与腹面; 在易变地被发展的背鳍的鳍半透明且有斑块; 水族馆-保持黄色的有彩虹色的蓝色侧边与银色-金的眼,腹面与鳃盖。 背鳍顶端在臀鳍的顶端具有一个黑色的斑块与一个比较模糊的。 纵向的鳞片系列 25-26+1-2. 前背的鳞片 11-13. 分枝的臀鳍棘条 10-11. 背鳍鳍条 3 单一的,7个分枝。 胸鳍些微镰刀状, 没有腋窝的叶。 腹鳍微尖的,6个鳍条,2个腋窝的鳞片明显特徵是大的标本。 臀鳍棘条 3 单一的,10-11 分支条,持续一个劈开到基底。 尾鳍有 10+9个主要的鳍条,9+8个分枝。 没有侧线孔。 前背的鳞片 11-13.(参考文献 38434)
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: 目前已知只來自緬甸, 但是可能在依洛瓦底江三角州中有一個較寬的分布。
Kottelat, M. and K.E. Witte, 1999. Two new species of Microrasbora from Thailand and Myanmar, with two new generic names for small Southeast Asian cyprinid fishes (Teleostei: Cyprinidae). J. South Asian Nat. Hist. 4(1):49-56. (Ref. 38434)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
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基于模型的估算
系统发育多样性指数 (参考文献 82804) |
PD50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00977 (0.00422 - 0.02262), b=3.04 (2.84 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
营养阶层 (参考文献 69278) |
3.0 ±0.3 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). 🛈 |