Common · Nature
Polypodium hydriforme
Species of cnidarian
Polypodium hydriforme is a species of Cnidarian that parasitizes in the eggs of sturgeon and similar fishes (Acipenseridae and Polyodontidae). It is one of few animals that lives inside the cells of other animals. P. hydriforme is the only species in the class Polypodiozoa.
From Wikipedia
Polypodium hydriforme is a species of Cnidarian that parasitizes in the eggs of sturgeon and similar fishes (Acipenseridae and Polyodontidae). It is one of few animals that lives inside the cells of other animals. P. hydriforme is the only species in the class Polypodiozoa.
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