Aspects of brown shrimp, Penaeus aztecus, growth in the northern Gulf of Mexico.




Parrack, M.L.

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The growth of brown shrimp, Penaeus aztecus, was studied by utilizing forms of growth models compatible with mark-recapture data. The analysis of 5,100 individuals marked and later recaptured in the northern Gulf of Mexico indicates that the von Bertalanffy model is slightly superior to the logistic in reflecting growth in length and the monomolecular model is superior to the Gompertz in expressing growth in weight. Linear functions are apparently inadequate growth models for brown shrimp. Estimated size-age relationships are appreciably different for each sex in that females are much larger than males of the same age. The pattern of growth shown in this analysis for populations in the northern Gulf is different from that reported in the southern Gulf off the Mexican coast and that reported in U.S. coastal Atlantic coastal waters.


p. 827-836.


brown shrimp, Penaeus aztecus, penaeid shrimp, growth, tagging