Pam Chin has been replying to cichlid questions for over twenty years. Highly respected and experienced aquarist, Pam has visited cichlid habitats around the world, and bred in her's and her husband Gary fish house hundreds of cichlid species. Besides her job, she still devotes time to help any person with a cichlid question!
Lucinda, Paulo H. F. & Lucena Carlos A. S & Assis, Newton C.. 2010. "Two new species of cichlid fish genus Geophagus Heckel from the Rio Tocantins drainage (Perciformes: Cichlidae)". Zootaxa. (n. 2429); pp 29–42 (2010) (crc02345) (abstract).