Age determination of archer fishes (Toxotes jaculatrix and toxotes chatareus) inhabiting Malaysian estuaries

Journal Contribution ResearchOnline@JCU
Simon, K.D.;Mazlan, A.G.;Cob, Z.C.;Samat, A.;Arshad, A.
Simon Das
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.

Journal

Journal of Biological Sciences

Publication Name

Journal of Biological Sciences

Volume

8

ISBN/ISSN

1727-3048

Edition

N/A

Issue

6

Pages Count

4

Location

N/A

Publisher

ANSI Network

Publisher Url

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Publisher Location

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Publish Date

N/A

Url

N/A

Date

N/A

EISSN

N/A

DOI

10.3923/jbs.2008.1096.1099