This invention provides a fishing information display device capable of simply and tangibly displaying the image needed by the fisherman. In the fishing information display device (60), the water level is as the standard and the fishing information in the water is zoomed and displayed in a display part (50) based ON the operation of an operation key group (62) and the display ratio wanted by the fisherman. Therefore and the display content is adjusted to the display ratio wanted by the fisherman with simple mode. Additionally, in this invention, the water level at the upper part of the image is as the standard, the fishing information in the water is zoomed and displayed in the display part, therefore, while water bottom which is lower is displayed at the middle part of the image and the water depth of the water bottom can be adjusted to the lower part of the image via using the water level at the upper part of the image as the standard and amplifying and displaying the water depth of the water bottom in the display part (51).
