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> Cypriniformes (Carps) > Cyprinidae (Minnows or carps) > Smiliogastrinae
Etymology: Pethia:Pethia is the generic vernacular name for small cyprinids in Sinhala. Eponymy: Hugh Cuming (1791–1865) was an English naturalist and conchologist, once described as the ‘Prince of Collectors’. [...] (Ref. 128868), visit book page. More on author: Günther.
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).
ขนาด / น้ำหนัก / อายุ
วัยเจริญพันธุ์: Lm? range ? - ? cm Max length : 5.0 cm TL เพศผู้/กระเทย; (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).
ดัชนีความหลากหลายทางวิวัฒนาการ (อ้างอิง 82804): PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01047 (0.00454 - 0.02413), b=3.00 (2.83 - 3.17), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
ระดับชั้นอาหาร (อ้างอิง 69278): 2.5 ±0.23 se; based on food items.
ความสามารถในการกลับคืนสู่ปกติ (อ้างอิง 120179): ความสูง, เวลาต่ำสุดที่จะทำให้ประชากรเพิ่มขึ้นเป็น 2 เท่าใช้เวลาน้อยกว่า 15 เดือน (Preliminary K or Fecundity.).
ความเสี่ยงต่อการตกปลา (Ref. 59153): Low vulnerability (10 of 100). 🛈
