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!
Oldfield, Ronald G.. 2009. "Captive breeding observations support the validity of a recently described cichlid species in lake Apoyo, Nicaragua". Occasional Papers of the Museum of Zoology, University of Michigan. (n. 741), pp. 14 (crc01854).
Oldfield, Ronald G.. 2009. "Growth patterns in Midas cichlids are not consistent with a hypothesis of socially controlled sex determination". Copeia. v. 2009 (n. 1), pp. 71-77 (crc02426) (abstract).
Oldfield, Ronald G.. 2005. "Cichlid sex determination research at the University of Michigan". Buntbarsche Bulletin. (n. 229), pp. 14-23 (crc03352) (abstract).
Oldfield, Ronald G.. 2005. "Genetic, abiotic and social influences on sex differentiation in cichlid fishes and the evolution of sequential hermaphroditism". Fish and fisheries. v. 6(n. 2), pp. 93-110 (crc02437) (abstract).
Oldfield, Ronald G.. 2004. "Saltwater cichlids. Knowledge of salinity tolerance and preference may allow new species combinations and improved husbandry in aquaria.". Freshwater and Marine Aquarium. v.27(8): pp.98-104. (crc02587).