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Nidosect grows shelf fungi on its back, which control it to seek out damp places to rest. The mushrooms are carefully extracted to not harm it, then sliced carefully to separate the mind-controlling spores and toxins from the mushroom's tasty flesh.

Nidosect are known to infest the roots of large trees en masse and drain nutrients. The male Nidoran has developed muscles that freely move its ears in any direction.