Table 1. Regression analyses of the active behaviour categories, all active behaviours combined and male body size, relative to the total number of offspring sired.

Behaviour	R2	F1,7	P
General activity	0.09	0.471	0.5229
Interactions with females	0.41	3.484	0.1209
Interactions with males	−0.17	1.000	0.3632
All active behaviours	0.81	21.202	0.0154
Snout-vent length	0.09	0.515	0.5054