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Biol Bull 131: 186-196. (August 1966)
© 1966 Marine Biological Laboratory
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THE EFFECT OF TEMPERATURE UPON THE GROWTH OF LABORATORY-HELD POSTLARVAL PENAEUS AZTECUS

ZOULA P. ZEIN-ELDIN 1 and GEORGE W. GRIFFITH 1

1 Bureau of Commercial Fisheries, Galveston, Texas

1. The growth of postlarval brown shrimp, Penaeus asecus, was studied in the laboratory at constant temperatures of 15° through 35° C.

2. Growth increased with temperature up to 32.5° C. Maximal increases of growth rate per unit of temperature were observed in the temperature range of 17.5° to 25° C.

3. Survival for one month was markedly decreased at 32.5° C., and no animals survived at 35°.

4. The results suggest that in the laboratory gross production is optimal at temperatures of 22.5° to 30°C.

5. Non-lethal temperatures can have a strong effect on the time required to complete postlarval development.






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Copyright © 1966 by the Marine Biological Laboratory.