Phoenix Worms are a GREAT natural weapon against coccidia.They have a natural balance of calcium, phosphorus,fat and protein. Phoenix Worms also have lauric acid in them, which is proven to be effecive against coccidiosis, thus giving your pet a GREAT food source and keeping them healthy at the same time. Oh and did I mention their a GREAT fish bait too! They are GREAT for all stages of your pets life... with 4 sizes to choose from. it is a GREAT staple food, most lizzards- leopard geckos, bearded dragons, chameleons, turtles, fish, frogs, are just a few of the pets that LOVE them .