Microsporidia are obligate intracellular parasited eukaryotes.The range of hosts included invertebrate and vertebrate.The microsporidian species parasited mainly fishes and insects.

• 摘要微孢子虫为一绝对细胞内寄生之真核生物，寄主范围包含无脊椎动物及脊椎动物，主要是以鱼类及昆虫的微孢子虫为主。