Research Article

Low Genetic and Morphometric Intraspecific Divergence in Peripheral Copadichromis Populations (Perciformes: Cichlidae) in the Lake Malawi Basin

Table 4

Genetic diversity in two Copadichromis species based on a 325 bp mtDNA D-loop sequence. Sampling sites encoded as in Table 1. Genbank accession numbers for Copadichromis sp. “Virginalis kajose”: EF211832-211842, EF211848-211859, EF211868-211878, and EF647209-647272; Genbank accession numbers for C. chrysonotus: EF647273-647309, and EF647320-647331.
(a) Copadichromis sp. “Virginalis kajose’’

Lake MalombeLake Malawi
Population codeLMCTCHNONKMISBNKU

Sample size2110121110121111
Number haplotypes75567636
Number polymorphic sites22176522151519
Gene diversity 0 . 8 1 0 ± 0 . 0 0 4 0 . 6 6 7 ± 0 . 0 2 7 0 . 7 8 8 ± 0 . 0 0 8 0 . 7 2 7 ± 0 . 0 2 1 0 . 8 6 7 ± 0 . 0 1 1 0 . 6 8 2 ± 0 . 0 2 2 0 . 4 7 3 ± 0 . 0 2 6 0 . 8 7 3 ± 0 . 0 0 5
Average pairwise difference6.9813.40002.1361.2004.8673.0452.8737.673
Nucleotide diversity (average over loci) 0 . 0 2 1 6 1 ± 0 . 0 0 0 0 2 0 . 0 1 0 5 3 ± 0 . 0 0 0 0 4 0 . 0 0 6 5 9 ± 0 . 0 0 0 0 1 0 . 0 0 3 7 0 ± 0 . 0 0 0 0 1 0 . 0 1 5 0 7 ± 0 . 0 0 0 0 5 0 . 0 0 9 4 3 ± 0 . 0 0 0 0 3 0 . 0 0 8 8 9 ± 0 . 0 0 0 0 4 0 . 0 2 3 7 5 ± 0 . 0 0 0 0 3

(b) Copadichromis chrysonotus

Lake MalombeLake Malawi
Population codeLMCHNO

Sample size131212
Number haplotypes155
Number polymorphic sites01515
Gene diversity0 0 . 5 7 6 ± 0 . 0 2 7 0 . 6 6 7 ± 0 . 0 2 0
Average pairwise difference03.7275.833
Nucleotide diversity (average over loci)0 0 . 0 1 1 5 0 ± 0 . 0 0 0 0 3 0 . 0 1 8 0 ± 0 . 0 0 0 0 2