Length-weight relation and condition factor of Penaeus indicus and Metapenaeus dobsoni in the Cochin Backwater

C.B.L. Devi, K.K.C. Nair, T. Balasubramanian, T.C. Gopalakrishnan, P.N. Aravindakshan, M.K. Kutty

Abstract



Length-weight relation and condition factor of Penaeus indicus and Metapenaeus dobsoni were estimated using samples from Cochin backwater. Statistical tests support the view that the length-weight exponent of these species may be species specific. Condition factors ( k ) was estimated for both species and was quite high indicating the presence of adequate food in the environment. Condition factor was higher for M. dobsoni and it remained relatively constant with respect to size suggested that the environment and food in the area sampled were more suitable for this species. Possibility of using k to assess the suitability of the environment is also suggested

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