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Journal of Biological Sciences
Year: 2008  |  Volume: 8  |  Issue: 6  |  Page No.: 1096 - 1099

Age Determination of Archer Fishes (Toxotes jaculatrix and Toxotes chatareus) Inhabiting Malaysian Estuaries

K.D. Simon, A.G. Mazlan, Z.C. Cob, A. Samat and A. Arshad    

Abstract: In this study the most common bony structure (scales) and method was investigated for age determination of archer fishes. A total of 85 specimens of archer fishes (Toxotes chatareus and Toxotes jaculatrix) from the estuaries of South Johore, Malaysia were examined for age. Scale length is linearly proportion (r = 0.816) to standard length (SL). Relationship between scale length (L) and scale weight (W) can be expressed by the formula W = 0.0155L2.917. Daily growth rings and annulus of scales count up demonstrated that the ages of the samples for both species were mostly 1-2 years and a handful samples of T. jaculatrix were above 2 years.

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