分類 / 名前
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Cypriniformes (Carps) >
Danionidae (Danios) > Rasborinae
Etymology: Rasbora: Rasbora, an Indian word for a fish, also used in Malay peninsula.
More on author: Hamilton.
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
; 新鮮な水; 汽水性の 底生の漂泳性; pH range: ? - 7.0; dH range: 12 - ?; potamodromous (Ref. 51243). Tropical; 24°C - 26°C (Ref. 2060)
Asia: Mekong, Chao Phraya and Salween basins, northern Malay Peninsula, westwards to the Indus and Sri Lanka.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 15.0 cm TL オス/雌雄の選別がない; (Ref. 6028); common length : 8.0 cm TL オス/雌雄の選別がない; (Ref. 6028)
背鰭 (合計) : 9; 臀鰭: 7. Black stripe from eye to caudal fin; nearly complete lateral line, with only last few scales lacking pores (Ref. 12693).
Body shape (shape guide): fusiform / normal.
Occurs in a variety of habitats (Ref. 27732): ditches, ponds, canals, haors, streams, rivers and inundated fields (Ref. 1479). Inhabits mainly sandy streams and rivers (Ref. 6028). Found in medium to large rivers and brooks of the middle Mekong (Ref. 12975). In the Mekong basin, this species is usually associated with large, slow flowing rivers, usually with turbid waters (Ref. 43281). Sometimes forms large schools. Feeds mainly on aquatic insects and detritus. A surface feeder (Ref. 1479). Spawning sites are found in rivers and ponds (Ref. 33813). Mature adults probably breed during the rainy season. Hardy and adaptable in the aquarium.
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Pethiyagoda, R., 1991. Freshwater fishes of Sri Lanka. The Wildlife Heritage Trust of Sri Lanka, Colombo. 362 p. (Ref. 6028)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
水産業: 少数商業の; 水族館・水槽: 商業
用具
特記事項
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インターネットの情報源
モデルに基づく推定値
系統多様性指数 (参照 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00851 (0.00476 - 0.01523), b=3.01 (2.86 - 3.16), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245). |
栄養段階 (参照 69278) |
3.1 ±0.1 se; based on diet studies. |
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Generation time |
1.0 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies. |
回復力 (参照 120179) |
高い, 15か月以下の倍増期間の最小個体群 (K=1.10). |
漁業の脆弱性 (Ref. 59153) |
Low vulnerability (13 of 100). 🛈 |
価格帯 (Ref. 80766) |
Unknown.
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