Abstract
The larvae of Palaemon gravieri were reared in the laboratory at three different temperature regimes (<TEX>$15^{\circ}C,\;20^{\circ}C,\;and\;25^{\circ}C$</TEX>) with the salinity ranges (28-32 psu) to understand how temperature and body size influence survival rate, and growth components (molt increment and intermolt period). The optimum temperature for the highest survival rate was <TEX>$25^{\circ}C$</TEX>. The intermolt periods consistently increased with an increase in size and instar number; however, the molt increments at successive instars generally decreased with an increase in size and instar number. The shortest intermolt period and the highest larval growth rate both occurred at <TEX>$25^{\circ}C$</TEX>. Thus, the optimum temperature for larval survival and growth rate was found to be <TEX>$25^{\circ}C$</TEX> which was the temperature at which the larvae actually appear in nature.
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