RESULTS
The cumulative sequence of larval stages obtained in the various temperature and salinity combinations is presented in Fig. 1. It is clear that for the tested ranges of temperature and salinity it is the latter which mostly affects the survival of the larval stages, especially at lower ranges. At the lowest salinity tested (15 ‰) and at the lower and higher temperature (15, 20 and 35 °C) combinations, complete mortality for stage I was obtained, with low survival for the next stages at 25 and 35 °C. At the lowest temperature (15 °C) and higher salinities (35 and 45 ‰), there were good survival rates for the zoeal stages, but no larvae reached the megalopa stage. The combinations which produced juvenile stages were between 20 and 30 °C and between 25 and 45 ‰ salinity. Duration to megalopa was shorter at 30 °C than at 20 and 25 °C, but survival rates were higher at 20 and 25 ºC than at 30 °C