@article{jas2013122,
author={AUTHOR = {Daniel, Adjei-Boateng and James, Wilson Gow},
title={Age Determination and Growth Rate of the Freshwater Clam <i>Galatea </i><i>P</i><i>aradoxa</i><i> </i>(Born 1778) from the Volta River Estuary, Ghana},
journal={Journal of Aquatic Science},
volume={1},
number={2},
pages={31--38},
year={2013},
url={http://pubs.sciepub.com/jas/1/2/2},
abstract={The age and growth of the freshwater clam <i>Galatea paradoxa</i> from the Volta River estuary, Ghana was estimated during a two-year study using surface growth rings, length-frequency distributions and tagging recapture experiment. Mean lengths at ages 1 to 8 years were 19.4, 28.4, 37.1, 44.1, 49.5, 55.5, 65.6 and 73.1 mm, respectively. The von Bertalanffy growth curves obtained by three the methods were: L<SUB>t</SUB> = 80.4(1-e<SUP>-0.17t</SUP>), L<SUB>t</SUB> = 105.7(1-e<SUP>-0.14t</SUP>) and L<SUB>t</SUB> = 104.5(1-e<SUP>-0.16t</SUP>) for surface rings, length-frequency distributions and tagging recapture respectively. All the age determination methods were successful in estimating the age of <i>G. paradoxa</i> indicating that surface ring counting is an appropriate and reasonably accurate method for simple and rapid age estimation in this species. The estimated growth curves obtained from surface rings, length-frequency distributions and the tagging-recapture experiment revealed that the methods provided similar estimates of growth rates.},
doi={10.12691/jas-1-2-2}
publisher={Science and Education Publishing}
}