On the other hand someone fishing for bass would want to find a shallower bottom surface covered with folage such as weeds and tree branches. I think we can all see where fish finders can be helpful in this fashion. Fish finders also show the depth at which the fish are at. This allows anglers to decide what type of bait they would like to use. Obviously if the fish are at the bottom of the lake a person is not going to try to use some type of floating bait.
Fish finders can also tell an angler the temperature of the water.
It is quite clear that fish finders can be a huge help. Current applications of fish finders Currently fish finders have many different uses. The most common use of a fish finder is for recreational and commercial fishing purposes. Many people also find fish locators useful for finding harmful objects and shallow water. Hitting a large tree that is in the water or running into a sand barge could be very hazardous to a person's boat.