The Cambodian Crocodile Conservation Programme conducted DNA analysis of 69 crocodiles in Phnom Tamao Wildlife Rescue Centre in Cambodia 2009, and found 35 of them were purebred C. siamensis.
O Programa de Conservación do Crocodilo Camboxano realizou análises de ADN de 69 crocodilos no Centro de Rescate da Vida Salvaxe de Phnom Tamao en Camboxa en 2009, e encontrouse que 35 dos crocodilos eran C. siamensis puros, sen hibridación.