1. A mobile electric field monitor comprising: a floatable housing, said floatable housing being positionally controllable on a body of water; an electric field probe mechanically connected to the floatable housing and perpindicularly adjustable from the floatable housing into the body of water, a computer processor electrically connected to the electric field probe, the computer processor further capable of making a multiplicity of time and position stamped measurements, said measurements representing a three dimensional electrical field plot in the body of water; such that the electric field probe measures the electric field generated by an electrofisher while floating on a body of water.