Added NaCl to isotonic Seawater (osmol/kg),Time (minutes),Survival (count development to 4-arm-pluteous stage/total count) 0,90,0.85492228 0,90,0.915151515 0,90,0.975 0,90,0.923076923 0.5,2,0.943396226 0.5,2,0.965217391 0.5,2,0.915584416 0.5,6,0.943925234 0.5,6,0.907317073 0.5,6,0.97029703 0.5,15,0.912 0.5,15,0.912568306 0.5,15,0.90990991 0.5,30,0.883435583 0.5,30,0.909638554 0.5,50,0.88 0.5,50,0.835820896 0.5,50,0.926829268 0.5,75,0.859756098 0.5,75,0.755 0.5,75,0.740540541 0.5,90,0.518518519 0.5,90,0.646875 1,2,0.891752577 1,2,0.792332268 1,2,0.747863248 1,6,0.375464684 1,6,0.360730594 1,6,0.286384977 1,15,0.091703057 1,15,0.073529412 1,15,0.140127389 1,30,0.004444444 1,30,0.048076923 1,30,0.016806723 1,50,0.014184397 1,50,0 1,50,0 1,75,0 1,75,0 1,75,0 1,90,0 1,90,0 1,90,0 1.5,2,0.311688312 1.5,2,0.134920635 1.5,2,0.217142857 1.5,6,0 1.5,6,0 1.5,6,0.012820513 1.5,15,0 1.5,15,0.006369427 1.5,15,0 1.5,30,0 1.5,30,0 1.5,30,0.008 1.5,50,0 1.5,50,0 1.5,50,0 1.5,75,0 1.5,75,0 1.5,75,0 1.5,90,0 1.5,90,0 1.5,90,0