The house centipede: the many-legged sprinter of basements worldwide, delicate as tissue and faster than the eye tracks comfortably, with long banded legs that make its gait the most distinctive movement in the class.
It inverts the centipede risk profile: the venom is minor and the animal is more fragile than the keeper, so the caution flows toward it. Keeping is tall, humid housing with crevices, small prey, and an opening protocol built around speed rather than danger.
Supply is trivial, since the species lives in the walls of much of its market, and intentional listings price at curiosity levels. The genus trades as a rehabilitation project for the class's reputation: the centipede that hunts the pests, kept by people who started by not squashing one.