Open Access Research Paper Views (934) Histopathological changes on testes of guppy fish Poecilia reticulate Peters (1859) exposed to vydate Nor Al-Huda R. Mayea, Mukhtar K. Haba J. Biodiv. & Environ. Sci. 12(5), 63-69, May 2018. Keywords: Guppy fish, Pesticide, Poecilia reticulata, Testes, Vydate Details