Additional file 3.

Median-joining haplotype networks. (A) cyt b; (B) RPL9; (C) RPL3; and, (D) c-myc. The circle area of each haplotype, coded as a number (Additional file 1), is proportional to its frequency. White and black haplotypes are present in R. marina from Left Amazon river bank (LAB) and Right Amazon river bank (RAB), respectively, and gray haplotypes are present in R. schneideri. Median vectors are represented by red dots. Black dots represent inferred unsampled or extinct haplotypes.

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Sequeira et al. BMC Evolutionary Biology 2011 11:264   doi:10.1186/1471-2148-11-264