Garra rufa or the reddish log sucker live and breed in the outdoor pools of some Turkish spas, where they feed on the skin of patients with psoriasis. The fish consume the affected and dead areas of the skin, leaving the healthy skin to grow, with the outdoor location of the treatment bringing beneficial effects.
Read a little bit more here.
But have you wondered what happens to the fish from devouring all that dead skin... they grow!
For M$5*, you get to while away 10 minutes, with you feet dangling in the tank and fish gnawing away those tootsies!
M$3 = A$1 = U$0.80