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Reproductive Cycle of the Cockle Anadara antiquata L. in Calatagan, Batangas, Philippines

Lourdes Toral-Barza and Edgardo D. Gomez
Journal of Coastal Research
Vol. 1, No. 3 (Summer, 1985), pp. 241-245
Stable URL: http://www.jstor.org/stable/4297060
Page Count: 5
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Reproductive Cycle of the Cockle Anadara antiquata L. in Calatagan, Batangas, Philippines
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Abstract

The annual gonad condition of Anadara antiquata was determined histologically in biweekly samples collected over a two-year period from Calatagan, Batangas, Philippines. Examination of gonad sections showed that gametogenic activity and spawning occur continuously throughout the year, with peak spawning from July to September. Fluctuations of the gonad index suggest that the duration of the gametogenic cycle is 1-2 months.

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