ISSN : 1225-3480
The effects of water temperature and salinity on embryonic development and spat survival of mussel Musculista senhousia were investigated. Embryos were incubated in water ranging from 0 to 35℃ and with salinity from 5‰ to 40‰. Mussel spat were tested in water from 0 to 40℃ and with salinity from 0‰ to 100‰. The optimal conditions for mussel embryos were 20-25℃ and salinity from 25‰ to 35‰, based on Within this temperature range, higher temperatures correponded to a shorter duration of the embryonic period. Optimisation of mussel spat survival was at 25-35℃ and salinity from 30‰ to 40‰; both values are higher than those for embryo, which hinted M. senhousia embryos are more vulnerable than spat. Temperatures below 15℃ were lethal for embryos, making temperature a feasible method with which to control the large population of M. senhousia in ark-shell farm during its spawning period.
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