Growth Patterns in Sand Lance, Ammodytes dubius, from the Grand Bank

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Abstract
Growth patterns in sand lance (A. dubius) from the Grand Bank were examined using back-calculated lengths from otolith measurements. Lee''s phenomenon of apparent change in growth rate with age is clearly demonstrated, as is the phenomenon of growth compensation. Lee''s phenomenon is explained by discriminatory mortality of the faster-growing sand lance; growth compensation is attributed to the differing ages of maturity of the initial faster-growing and slower-growing fish. The significant reduction in the standard deviation and the increasing degree of left skewness in length frequencies of older sand lance is explained by a combination of Lee''s phenomenon and growth compensation acting together throughout the growth history of individual sand lance.

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