嗜温气单胞菌（Ａｅｒｏｍｏｎａｄｍｅｓｏｎｐｈｉｌｉｃ）广泛分布于水、土壤及人类的粪便中，对鱼类、畜禽和人均有致病性，对本群细菌的研究已取得了很大进展，其中嗜水气单胞菌是一种典型的人－兽－鱼共患病病原［１］，可引起多种水产动物的败血症和人类的腹泻，往往给 Aeromonad mesophilic bacteria are widely distributed in water, soil and human excrement, and are pathogenic to fish, livestock, and people. Research on this group of bacteria has made great progress. Among them, Aeromonas is a typical human-veterinary-fish pathogen [1] that causes sepsis and diarrhea in many aquatic animals, often giving