Test on the High Sea

An American, An Englishman & a Nigerian where on a ship.
Suddenly the devil appeared & said "Drop anything in the sea, if I find it I will eat you, if I can't find it, I will be your slave!". The American dropped a pin, the devil found it & ate him. The Englishman dropped a coin, the devil found it & ate him too. The Nigerian guy tore pure water, emptied the water in the sea and said "Na Today?