Additional file 6.

Standard body length of Midas cichlids in Apoyeque by lip morphology and sex. Body size, measured as standard length, did not differ between thin- and thick-lipped individuals (Two factor ANOVA, morph effect, F1,202 = 0.652, P = 0.42). Males were significantly larger than females (sex effect, F1,202 = 19.9, P < 0.001) for both morphs (morph × sex interaction, F1,202 = 0.082, P = 0.78).

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Elmer et al. BMC Biology 2010 8:60   doi:10.1186/1741-7007-8-60