Platygyra sinensis 3 d.o. larvae were the least sensitive
to the Oil WAF treatment, and did not show any evidence
of significant toxic effects in response to any of the
concentrations tested. Mean larval mortality of P. sinensis
after 96 hours in this treatment varied from 28% in both
the control and 6.8 ppm Oil WAF, up to 50% at 3.4 ppm
Oil WAF.