Table 5.

The relative amount of time or activity in four premating behaviors in a multiple-choice experiment (Hurt et al. 2004) and the proportion of successful crosses within and between Gila and Yaqui topminnows, the proportion of female F₁ progeny, and the days until the F₁ females produced their first brood (Hurt and Hedrick 2003)

Male	Gila		Yaqui
Female	Gila	Yaqui	Gila	Yaqui	P
Premating
Following	1.0	0.263	0.784	1.0	0.01
Posturing	1.0	0.000	0.611	1.0	0.03
Nibbling	1.0	0.008	0.068	1.0	0.01
Thrusting	1.0	0.051	0.966	1.0	0.04
Postmating
Successful crosses	0.85	0.54	0.69	0.69	0.04
Female progeny	–	0.08	0.59	–	0.001
Days to first brood	62.4	87.1	53.6	63.7	0.001