FusionDex

Parainch transmit fungal spores through their bites, spreading the infection of their parasitic fungus to any unfortunate Pokémon that they bite down on. Trainers are advised to take affected Pokémon to the nearest Pokémon centre as soon as possible.

Its big jaws crunch through boulders. Parainch are known to infest the roots of large trees en masse and drain nutrients.