Table 2. Results (two-tailed p-values) of Student’s t-tests comparing five components of fitness between homospecific, non-hybrid crosses, F1 hybrid crosses, and F2 hybrid crosses.

Fitness component	homospecific v. F1	homospecific vs. F2	F1 vs. F2
fertilization	0.073	0.561	0.027
hatching	0.12	0.004	0.164
14-day survival	0.982	0.001	0.001
180-day survival	0.53	0.014	0.006
cumulative	0.099	0.003	0.106

Italics indicate significant comparisons after Bonferroni correction.