分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cypriniformes (Carps) >
Cyprinidae (Minnows or carps) > Smiliogastrinae
Etymology: Pethia: Pethia is the generic vernacular name for small cyprinids in Sinhala..
More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性; pH range: 5.5 - 6.5; dH range: ? - 15. 22°C - 27°C (Ref. 13371); 8°N - 6°N
Asia: endemic to Sri Lanka. Occurs mainly at the south western wet zone, from the Kelani to the Gin basins. Range extends north of the Kelani, into the swamps around Gampaha (Attanagalu Oya) and northwards. Introduced into the Perdeniya Gardens in the Mahaweli basin and is well established between Gampola and Ginigathena (Sri Lanka).
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 5.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 6028)
Yellow finned variety usually occurs in flowing water and stays close to the substrate (sand to boulders). Red finned variety inhabits slow flowing waters of marshes in the Kelani Valley foothills, associated with mud or silt bottoms. Forms medium sized shoals. Matures at 3 cm and spawns during rainy season (Ref. 6468). Feeds on green algae, plankton and detritus (Ref. 6469). Population with strongly bifurcate caudal fin from introduced Mahaweli stock (Ref. 6470).
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Pethiyagoda, R., 1991. Freshwater fishes of Sri Lanka. The Wildlife Heritage Trust of Sri Lanka, Colombo. 362 p. (Ref. 6028)
世界自然保护联盟红皮书 (Ref. 130435)
濒危 (EN) (B1ab(iii,v)+2ab(iii,v)); Date assessed: 07 May 2020
人类利用
渔业: 没有兴趣; 水族馆: 商业性
更多信息
俗名同种异名新陈代谢捕食者生态毒物学繁殖成熟度产卵场产卵群集孕卵数卵卵的发育
参考文献养殖养殖信息品种遗传学Electrophoreses遗传率疾病加工NutrientsMass conversion
合作者照片Stamps, Coins Misc.声音神经毒速度泳型鳃区Otoliths脑重体重比眼睛色素
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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=0.01096 (0.00516 - 0.02330), b=2.99 (2.82 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 2.5 ±0.23 se; based on food items.
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).