AGE AND GROWTH OF POLYNEMUS HEPTADACTYLUS CUV. AND VAL. FROM THE BOMBAY-SAURASHTRA REGION


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Authors

  • P V Kagwade Central Marine Fisheries Research Institute; Sub-station, Bombay

Abstract

The age and growth of Polynemus heptadactylus ware studied from the length
frequency distribution and by the annulus method using scales and otoliths. The lengths
attained at the end of first through eighth years of life are 83 mm, 128 mm, 158 mm,
188 mm, 213 ram, 237 mm, 255 rnm and 273 mm respectively as deduced from the length
frequency method. The studies on annuli revealed identical results for the first four
years of life. A 'larval ring' found on the otoliths of fish of above 26 mm was not
present on the scales. The causes of formation of annuli are not known at present

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Author Biography

  • P V Kagwade, Central Marine Fisheries Research Institute; Sub-station, Bombay
    Central Marine Fisheries Research Institute; Sub-station, Bombay

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Issue

Vol. 18 No. 1 & 2 (1971)

Section

Articles

License

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How to Cite

Kagwade, P. V. (2011). AGE AND GROWTH OF POLYNEMUS HEPTADACTYLUS CUV. AND VAL. FROM THE BOMBAY-SAURASHTRA REGION. Indian Journal of Fisheries, 18(1 & 2), 33-51. https://epubs.icar.org.in/index.php/IJF/article/view/13162