A fish finder is a device that uses sonar technology to locate fish in water. They are commonly used by anglers to find fish and determine their depth and location. Fish finders can be a valuable tool for anglers of all levels, as they can help to increase the chances of catching fish.
Fish finders have been around for many years, and the technology has improved significantly over time. Early fish finders were only capable of displaying a simple image of the bottom of the water, but modern fish finders can provide a detailed view of the water column, including the location of fish, structure, and vegetation. Fish finders can also be used to track the movement of fish and to record data for later analysis.