分類 / Names
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Cypriniformes (Carps) >
Danionidae (Danios) > Danioninae
Etymology: ruhuna: The specific name is Sinhala for the south of the islandof Sri Lanka, to the rivers and streams of which this species is restricted..
More on authors: Pethiyagoda, Kottelat, Silva, Maduwage & Meegaskumbura.
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 底生の漂泳性; 深さの範囲 15 - 84 m (Ref. 75997). Tropical
Asia: Gin, Pol-Athu Modara, Nilwala and Bentara (Bentota) River basins in Sri Lanka.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 6.8 cm SL オス/雌雄の選別がない; (Ref. 75997)
簡単な記述
形態学 | 形態計測学
Distinguished from all congeners by the combination of the following characters: lateral line complete, with 31-33+1-2 pored scales; ½6-½ 7/1/2 ½-3½ scales in transverse line on body, ½3/1/½ -1½ on caudal peduncle; body depth 2.9-3.1 times in SL; caudal peduncle length 11.8-13.5% SL; and lower jaw smooth, lacking tubercles (Ref. 75997).
Occurs in rainforest streams (Ref. 75997).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Pethiyagoda, R., M. Kottelat, A. Silva, K. Maduwage and M. Meegaskumbura, 2008. A review of the genus Laubuca in Sri Lanka, with description of three new species (Teleostei: Cyprinidae). Ichthyol. Explor. Freshwat. 19(1):7-26. (Ref. 75997)
IUCNのレッドリストの状況は (Ref. 125652)
絶滅危惧 (EN) (B1ab(iii)+2ab(iii)); Date assessed: 26 July 2019
Human uses
より多くの情報
共通名の類義語代謝捕食動物生態毒性繁殖成熟放精卵の集合体生産力卵卵の開発
Age/Size成長体長-重さLength-length体長組成形態計測学形態学幼生幼生の動力補充豊度BRUVS
参考文献水産養殖水産養殖の紹介緊張遺伝子の対立遺伝子頻度遺伝病気行列NutrientsMass conversion
協力者画像Stamps, Coins Misc.音シガテラ（食中毒の名前）速度泳ぐ 型式カマOtoliths脳視覚
用具
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インターネットの情報源
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: 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).
栄養段階 (Ref.
69278): 3.2 ±0.3 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高い, １５か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
