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Teleostei >
Cypriniformes (Carps) >
Danionidae (Danios) > Danioninae
Etymology: Danio: From ‘dhani’, local Bengali/Bangla name for small minnows (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: Mekong basin in Thailand, Laos and Myanmar.
亞洲: 在泰國，寮國與緬甸的湄公河流域。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 3.7 cm SL 雄魚/尚未辨別雌雄; (Ref. 37789)
背棘 (總數) : 0; 背的軟條 (總數) : 10; 臀棘: 0; 臀鰭軟條: 15 - 17. Incomplete lateral line, perforating 9-10 scales; without infraorbital process, with 7 branched dorsal-fin rays and modally 13 branched anal-fin ray. Can be distinguished from all other Danio species by the combination of having two pairs of long barbels, and lacking horizontal dark stripes posteriorly along the sides. The most similar species, D. albolineatus s. str., has a deeper body, possesses two horizontal dark stripes along the posterior part of body, longer rostral barbels (extending beyond instead of not reaching to the posterior margin or orbit), and more vertical scale series along the side (29-30 versus 28) (Ref. 37789). Possesses pink stripe in anal and pelvic fins; white upper and lower margin in caudal (Ref. 43281).
不完全的側線, 穿孔的 9-10個鱗片; 沒有眶下的突起,7 分枝的背鰭鰭條與典型地 13個分枝的臀鰭鰭條。 能被與全部其他的 Danio 種區分藉由有兩對的長觸鬚的組合，而且缺乏水平的深色斑紋在後部地沿著側邊。 最相似的種， D. albolineatus s。 str。, 有一個較深的身體, 持有二條水平的深色斑紋沿著身體後部，更長的嘴的觸鬚 (延伸超過取代不延伸到後面的邊緣或者眼窩) 與比較垂直的鱗片系列沿著側邊 (29-30 對 28).(參考文獻 37789) 在臀鰭與腹鰭鰭持有粉紅的斑紋; 白色的上、下邊緣在尾部的.(參考文獻 43281)
Inhabits small streams with relatively cold, running water under forest cover, associated with springs and waterfalls (Ref. 37789). Occurs usually in springs and small creeks, but also found in the Mekong main river (Ref. 43281).
棲息於小的溪流有相當寒冷, 在森林遮蓋，被伴隨著的泉水與瀑布下面的流動的水.(參考文獻 37789) 通常生活在泉水與小溪, 也發現於湄公河主流.(參考文獻 43281)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
亞洲: 在泰國，寮國與緬甸的湄公河流域。
Fang, F. and M. Kottelat, 2000. Danio roseus, a new species from the Mekong basin in northeastern Thailand and northwestern Laos (Teleostei: Cyprinidae). Ichthyol. Explor. Freshwat. 11(2):149-154. (Ref. 37789)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
無危 (LC) ; Date assessed: 26 March 2011
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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=0.00501 (0.00210 - 0.01198), b=3.15 (2.93 - 3.37), 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).
