Owned by Onyx (@onyxsouls).
This is a globular cactus, likely a species of Mammillaria, characterized by its dense white spines and tubercles.

This is a globular cactus, likely a species of Mammillaria, characterized by its dense white spines and tubercles.
This is a globular cactus, likely a species of Mammillaria, characterized by its dense white spines and tubercles.