A fish finder is a tool used to find fish underwater. It does this by emitting sound waves and measuring the time it takes for the waves to bounce again. The information is then used to create a map of the underwater terrain and any fish which may be current.
Fish finders are an necessary device for kayak anglers as a result of they may also help to rapidly and simply find fish, even in deep or murky water. This could save a variety of effort and time, and may also help to enhance the possibilities of catching fish.