Those who indulge in the Garra Spas experience soon discover softer feet than they'd ever imagined possible. That's all thanks to the diligent work of a species known as the garra rufa fish. This special breed of fish is attracted to the vibration in the water given off by the pulse in one's body. As soon as the client's feet enter the water, the garra fish begin searching for the source of that vibration they feel. This is similar to the way a dog would sniff out a scent. This specific sub-breed does the exact same thing in the wild. The process at Garra Spas is designed to mimic the fishes natural environment, which keeps the fish happy and healthy. While the fish are busy looking for the source of the vibration from the guest's pulse, their movement around their feet creates a very relaxing feeling that is often described as bubbles all over the skin. The light sensation from the tiny fins rapidly moving across the skin is what creates this relaxing feeling.