An extra aggressive looking cactus with long thick purple thorns. Ferox grow in clusters and will fill out your pot as the continue to age.
Light: Bright light. Can tolerate direct light with hardening off
Water: Allow soil to completely dry out then wait another week before fully soaking soil.
Temps: Best kept above 50 degrees
Pets: Signs: Irritating to the mouth and stomach, sometimes causing vomiting, but generally over-rated in toxicity.