Home / Sustaining / Fish Finder from Sharper Image Fish Finder from Sharper Image The Smart Fish Finder is a sonar bobber that attaches to the end of your line. Simply cast it into the water. Within seconds, it sends an alert to your phone via a free app, to tell you where the fish are, how deep they are and how big they are. Category: Sustaining Tags: Acquisition, Food & Beverage, Nutrition, Seafood Additional information Additional information Data Acquisition & Processing Acquisition Nutrition Seafood, Nutrition, Food & Beverage Related products Juice Newton – Queen Of Hearts Read more Games of, by, and for Gamers Read more We Rock Your . . . Autoshop! Read more We Rock Your . . . Sound Stage! Read more