Addition time   2 4 6 8 10 12 14 16 hpf
Experiment 2-OHMyr 5(5) 6(6) 7(6) 6(5) 7(5) n/a n/a n/a
1 Myr 6(3) 5(1) 6(1) 7(1) 8(2) n/a n/a n/a
Experiment 2-OHMyr 9(7) 10(9) 10(5) 10(2) 10(1) n/a n/a n/a
2 Myr 10(1) 10(0) 9(1) 11(2) 11(1) n/a n/a n/a
Experiment 2-OHMyr 9(7) 10(7) 11(2) 10(6) 10(4) n/a n/a n/a
3 Myr 10(0) 10(1) 10(1) 10(0) 9(0) n/a n/a n/a
Experiment 2-OHMyr 10(4) 10(8) 10(9) 10(7) 10(2) 11(4) 9(2) 10(3)
4 Myr 10(2) 10(1) 10(5) 10(3) 10(1) 12(4) 10(4) 10(2)
2-OHMyr: 2-hydorixmyristic acid Myr: myristic acid (): the number of death in total            
Table 2: The number of total and dead embryos when challenged with 2-hydroxmyristic acid.