Table 1.

Definition of variables and parameters used in the model.

parameter	description	evolving/fixed
	growth
L	asymptotic body size	evolving
K	initial growth rate	evolving
α	basal Gompertz mortality rate	fixed
	effect of growth on age-specific mortality rate	fixed
	size-dependent mortality
μi	mortality rate of very large individuals	fixed
μσ, μ0	size-dependent mortality change	fixed
	premating intra-sexual selection
n	number of territories in population	fixed
ɛ	effect of body size on territory acquisition	fixed
σT	minimum body size required for territory holders	fixed
	postmating intra-sexual selection
sa, sb, sc	size-dependent sperm investment strategy	evolving
r	loading factor (relative advantage of parasitic males)	fixed
γ, σp	size-dependent sneaking ability	fixed