鞭毛虫

• Oxicus that lives on algae . toxins are transferred to and accumulated up the food chain in predatory fish like groupers , snappers and barracuda
  雪卡毒主要来自生长在海藻的腰鞭毛虫gambierdicus toxicus ，毒素随著食物链由摄食海藻的小鱼传至斑类笛鲷及
• Among the many waterborne disease - causing viruses are hepatitis a and norwalk ; the pathogenic protozoa include cryptosporidium , entamoeba and giardia
  而主要的水媒病毒为a型肝炎病毒及诺华克病毒；会引起疾病的原生动物，则包括隐孢子虫、内阿米巴原虫、梨形鞭毛虫等。