Table 1.
Number of Stenella clymene, S. coeruleoalba and S. longirostris specimens sequenced for this study.
Table 2.
Levels of genetic diversity obtained for Stenella clymene, S. coeruleoalba and S. longirostris for the mitochondrial DNA (mtDNA) and for six nuclear loci.
Table 3.
Pairwise fixation index values (FST) obtained between Stenella clymene, S. coeruleoalba and S. longirostris for the mitochondrial DNA (mtDNA) and for six nuclear loci.
Figure 1.
Median-joining network of cytochrome b haplotypes of Stenella clymene (red circles), S. coeruleoalba (green circles) and S. longirostris (blue circles).
Circle size is proportional to the number of individuals exhibiting the correspondent haplotype. Length of lines separating the haplotypes is proportional to the number of mutational steps. White circles indicate missing, intermediate haplotypes.
Figure 2.
Bayesian phylogenetic tree generated in MrBayes for the cytochrome b gene.
Posterior probability values are above nodes. Branch lengths are in substitutions/site.
Figure 3.
Median-joining networks of nuclear gene haplotypes of Stenella clymene (red circles), S. coeruleoalba (green circles) and S. longirostris (blue circles).
a) BTN, b) Del_10, c) PLP, d) Del_05, e) Del_12, f) Del_16. Circle size is proportional to the number of individuals exhibiting the correspondent haplotype. Each species within each haplotype is coloured according to the legend. Length of lines separating the haplotypes is proportional to the number of mutational steps. White circles indicate missing, intermediate haplotypes.
Figure 4.
Scatterplot of preorbital width of the skull against length of the upper toothrow for 12 specimens of Stenella clymene stranded in Florida in 1995.
Triangles represent the two hybrid individuals identified in this study.
Figure 5.
Species tree estimated with the *BEAST method.
Posterior probability values are above nodes.