Figure 4 in Comparative phylogeography of two symbiotic dorvilleid polychaetes (Iphitime cuenoti and Ophryotrocha mediterranea) with contrasting host and bathymetric patterns

Figure 4. Median-joining haplotype networks of mtDNA cytochrome c oxidase subunit I sequences for Iphitime cuenoti in relation to its host crab. Empty circles represent missing haplotypes. Black points represent mutational steps. Circle size and pie size are proportional to the haplotype frequency.