- fish in the
order Perciformes. It is the only
genus of the
subfamily Heterochromidinae, and
contains a
single species,
Heterochromis multidens,
which is...
- Astronotinae, Cichlasomatinae, Cichlinae, Etroplinae, Geophaginae,
Heterochromidinae, Pseudocrenilabrinae, and Retroculinae. A
ninth subfamily, the Ptychochrominae...