Table 1.

Distributions of ecologically relevant traits within Amphilophus tolteca. Mixture analyses were performed to determine the most likely number of components in each variable. All traits were supported by continuous distributions

Character	Sample size	Dip test		Anscombe-Glynn	Shapiro-Wilk	Mixture analysis
	n	Dip	P	P	P	n components	P
LPJ weight	96	0.025	>0.95	0.26	0.66	1	0.68
LPJ width	96	0.028	>0.5	0.07	0.14	1	0.43
LPJ length	96	0.033	>0.5	0.6	0.25	1	0.74
LPJ depth	96	0.027	>0.9	0.68	0.85	1	0.97
δ15N	73	0.024	>0.99	0.12	0.16	1	0.23
δ13C	73	0.029	>0.5	0.44	0.41	1	0.61
BHI	286	0.015	>0.5	0.31	0.15	1	0.33

BHI, body height index; LPJ, lower pharyngeal jaw.