According to an embodiment of the present invention, an improved fish finder apparatus is provided that allows for the apparatus to be attached to and removed from a fishing line without need to cut said fishing line. This is achieved by providing an improved fish finder apparatus with a channel for receiving fishing line, thread or other filamentous material. One of ordinary skill in the art would appreciate that any type of fishing line, thread, or other filamentous material could be used with embodiments of the present invention, and embodiments of the present invention are contemplated for use with any fishing line, thread or other filamentous material.