2198 Otopharynx heterodon (Trewavas, 1935) Cichlidae Cichlids Pseudocrenilabrinae Cichliformes Teleostei Royal blue hap Africa: Lake Malawi, occuring in Chilumba, Nhkata Bay, Likoma Island and Monkey Bay (Ref. 4991). AMNH 31886 Haplochromis heterodon P 99041.A85899041.A859 11 S 34 E Otopharynx heterodon P 91095.004391095.0045 10 S 34 E Otopharynx heterodon P 91095.004691095.0047 12 S 34 E Otopharynx heterodon AMNH 226061 1958 Otopharynx heterodon AMNH 31762 1958 Haplochromis heterodon AMNH 222061 1971 Otopharynx heterodon AMNH 222079 1971 Otopharynx heterodon AMNH 226027 1971 Otopharynx heterodon AMNH 226036 1971 Otopharynx heterodon AMNH 226060 1971 Otopharynx heterodon AMNH 225482 1979 Otopharynx heterodon AMNH 221250 1989 Otopharynx heterodon