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aqua 19(2)_Dawkinsia tambraparniei

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Volume 19, Issue 2 – 26 April 2013

Karuppiah Kannan, Jeyaraj A. Johnson and H. Malleshappa: Growth and condition of an endangered fish Dawkinsia tambraparniei (Cypriniforms: Cyprinidae) from southern Western Ghats, India, pp. 61-66

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SINGLE PAPER

Volume 19, Issue 2 – 26 April 2013

Karuppiah Kannan, Jeyaraj A. Johnson and H. Malleshappa: Growth and condition of an endangered fish Dawkinsia tambraparniei (Cypriniforms: Cyprinidae) from southern Western Ghats, India, pp. 61-66

Abstract
Growth and condition of Dawkinsia tambraparniei were examined using the linear length-weight relationship model and the condition factor. A total of 135 fishes were sampled from four lower order streams (Manimuthar, Karayar, Servalar and Kallar) and the downstream section (Kokkarakulam) of the Tamiraparani River in southern Western Ghats, India. The results showed that the exponential values ‘b’ ranged from 2.57 to 3.64 with the highest ‘b’ value obtained for the population from Kokkarakulam. The analysis of condition factor also revealed a high condition factor (K=1.56) for the population from Kokkarakulam. The present findings indicate that of the four D. tambraparniei populations examined, the population inhabiting the downstream section of the Tamiraparani River is healthiest.

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