Male mate choice in mosquitofish: personality outweighs body size

Table 3 Effects of body length and personality traits (shyness and activity) of the male mosquitofish Gambusia affinis on the strength of their mating preference for larger females (Experiment 1; R² = 0.156) and for active females (Trial 2–1; R² = 0.161)

Experiment	Variables	Estimate	95% Credible intervals	t Value	p Value
Experiment 1	Male ID	0.0199	0.0000, 0.2507
	Pair ID of stimulus females	0.0114	0.0000, 0.2418
	Trial ID	0.0000	0.0000, 0.0875
	Male’s shyness	− 0.0018	− 0.0040, 0.0004	− 1.663	0.096
	Male’s activity	− 0.0001	− 0.0004, 0.0001	− 1.061	0.289
	Male’s body length	0.0719	0.0186, 0.1256	2.745	0.006
	Activity of larger female (inactive)	− 0.1631	− 0.2845, − 0.0417	− 2.679	0.007
	Activity of smaller female (inactive)	0.1464	0.0250, 0.2678	2.404	0.016
Trial 2–1	Pair ID of stimulus females	0.0104	0.0000, 0.3509
	Male’s shyness	− 0.0015	− 0.0051, 0.0021	− 0.850	0.395
	Male’s activity	0.0004	− 0.0001, 0.0008	1.700	0.089
	Male’s body length	0.0677	− 0.0171, 0.1541	1.655	0.098

ISSN: 1742-9994