South Africa's Natal Sharks Board invented the POD that generates a weak electrical discipline aimed at overwhelming a shark's electroreception sense, a lot just like the magnet impact. When a shark comes close to that field, Heart Rate Monitor the sphere seems to disrupt the sharks' particular sixth sense, electroreception. The interplay of salt water and charged metals produces a weak electrical discipline. The distribution and weight of the extra metals may make it troublesome to swim. Because of those potential pitfalls, this new expertise will probably make a greater impression on the commercial fishing trade moderately than on swimmers and surfers. The Shark Shield Web site does warn surfers that motion can upset the effectiveness of the technology. These fish can grow very giant, often necessitating a spacious tank or pond, far past the capability of customary dwelling aquariums. Due to this quality, salt water can even act as an electrical conductor. In areas the place the water could also be polluted or the place pacu will not be a local species, it's best to take caution to make sure the fish is safe for consumption, primarily based on local environmental situations.