A virus was found in spleen

kidney

heart

gut

gill and liver of moribund cultured Siniperca chuatsi from Guangdong province by lightmicroscope and electron transmission microscope. The virus has icosahedral symmetry

and is 150 nm in diameter. The main organs of the virus infection are spleen and kidney of Siniperca chuatsi

and it caused spleen and kindey necrosis. Experimental infection identify that virus is pathogen of outbreak and infectious disease of cultured Siniperca chuatsi

we named it infectious spleen and kidney necrosis virus(ISKNV).