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> Cypriniformes (Carps) > Cyprinidae (Minnows or carps) > Smiliogastrinae
Etymology: Dawkinsia:Named for Richard Dawkins, for his contribution to the public understanding of science and, in particular, of evolutionary science. Eponymy: Dr Clinton Richard Dawkins (d: 1941) is an ethologist and evolutionary biologist who was Professor for Public Understanding of Science (1995–2008) at Oxford, which had awarded both his bachelor’s degree (1962) and his doctorate (1966) and where he [...] (Ref. 128868), visit book page.
البيئة: الوسط / المنطقة المناخية / نطاق العمق / نطاق التوزيع البيئة
Asia: restricted to the eastern slopes of the Knuckles Hills in the Kalu River at Pallegama, Sri Lanka at elevations of 300-500 m. Very rare and the only known existing population is in imminent danger of extinction due to the siltation of the Kalu caused by gem mining upstream.
الحجم / وزن / العمر
النضج: Lm? range ? - ? cm Max length : 10.0 cm TL ذكر/ مختلط الجنس; (Ref. 6028)
وصف مختصر مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
Adults of Puntius srilankensis are distinguished from P. filamentosus, P. singhala and P. assimilis by possessing a prominent black markings on body anterior to anal-fin origin. They differ from P. exclamatio by the absence of an elongate, tear-shaped black blotch above and anal fin; from P. arulius and P. tambraparniei by having mouth inferior and lower lip medially absent ( vs. mouth subterminal, lower lip entire) (Ref. 55036).
Body shape (shape guide): fusiform / normal.
A mid-water fish found in areas of rapidly flowing water with pebbly substrate (not found in silty substrate). With a clearly defined territory (of several square meters) and without lateral spatial preferences. Individuals of the same size often form loose schools. Presently not available in sufficient numbers to be exported by the aquarium trade.
دورة الحياة وسلوك التزاوج النضج | التكاثر | وضع البيض | بيض | الخصوبة | اليرقات
مؤشر التنوع الشُعبي الوراثي (مرجع 82804): PD50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01072 (0.00504 - 0.02277), b=3.02 (2.84 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
مستوى غذائي (مرجع 69278): 2.7 ±0.1 se; based on size and trophs of closest relatives
المرونه (مرجع 120179): عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (Preliminary K or Fecundity.).
ضعف الصيد (Ref. 59153): Low vulnerability (10 of 100). 🛈
