Table 1.

Signature of the Excess of Nonsynonymous over Synonymous Substitutions

Gene	Branch	ns	s	Significance
V1R1	c.a. of Tropheini	11	0	0.024*
V1R2	c.a. of MVhL lineage	14	1	0.030*
		16	1	0.016*
V1R3	From c.a. of Trematocarini to Trematocara marginatum	19	2	0.022*
V1R6	From c.a. of Ectodini to
	Cyathopharynx furcifer	14	1	0.138 a
	Callochromis macrops	11	0	0.122 a
	From c.a. of Trematocarini to
	Trematocara unimaculatum	10	0	0.032*
	Trematocara marginatum	21	1	0.005**

Note.—c.a., common ancestor, ns, nonsynonymous substitution; s, synonymous substitution.

^aNot significant by Fisher’s exact test.

*Significant at 5% level.

**Significant at 1% level.