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近年来, 福建南部海区一些网箱养殖石斑鱼常见一种流行性孢子虫病, 病鱼主要表现为游动失常、厌食、消瘦。外表无明显病理症状, 部分病鱼腹部膨大变形, 严重者可引起死亡。剖检可见腹腔、生殖腺、肝脏、结缔组织以及肌肉组织内散布或成串排列数个到数十个大小不一的黑色或银灰色孢囊。包囊内含大量孢子虫的子孢子, 子孢子呈圆形或椭圆形, 大小约 4~5μm。根据形态学以及寄生特点确定该寄生虫是一种匹里虫。
In recent years, some cage cultured groupers in southern Fujian have common epidemic sporozoosis. Diseased fish mainly show swimming disorders, anorexia and weight loss. No apparent pathological appearance of the surface, some diseased fish enlargement of the abdomen deformation, severe cases can cause death. Autopsy can be seen in the abdominal cavity, gonads, liver, connective tissue and muscle tissue interspersed or arranged in groups of several to dozens of different sizes of black or silver gray cysts. Cysts containing a large number of sporozoites sporozoites, sporozoites were round or oval, size of about 4 ~ 5μm. According to morphological and parasitic characteristics to determine the parasite is a kind of Pylori.