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Ptacek, M. B.; Breden†, F. (1998). "Phylogenetic relationships among the mollies (Poeciliidae: Poecilia: Mollienesia group) based on mitochondrial DNA sequences". Journal of Fish Biology. 53 (sA). Wiley: 64–81. doi:10.1111/j.1095-8649.1998.tb01018.x. ISSN0022-1112.
Breden, Felix; Ptacek, Margaret B.; Rashed, Michael; Taphorn, Donald; Figueiredo, Carlos Augusto (1999). "Molecular Phylogeny of the Live-Bearing Fish Genus Poecilia (Cyprinodontiformes: Poeciliidae)". Molecular Phylogenetics and Evolution. 12 (2). Elsevier BV: 95–104. doi:10.1006/mpev.1998.0600. ISSN1055-7903.
Ng, Peter K.L.; Chou, L.M.; Lam, T.J. (1993). "The status and impact of introduced freshwater animals in Singapore". Biological Conservation. 64 (1). Elsevier BV: 19–24. doi:10.1016/0006-3207(93)90379-f. ISSN0006-3207.