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Age and growth of <i>Sandelia bainsii</i> Castelnau (Pisces: Anabantidae) in the Tyume River, Eastern Cape (South Africa)

M Mayekiso
T Hecht


Otoliths and scales were used for age and growth determination of Sandelia bainsii. There was a linear relationship between fish length and both scale and otolith radii. Growth rings were deposited annually in spring. Otoliths provide a more reliable estimate of age and growth than scales. Males grow faster, reach a larger size and have a longer lifespan than females. Based on otoliths the growth of males is described by Lt = 287(1-e-0,186(t-0,15 )t = 214(1-e -0,223(t-0,18)) mm SL.