In vitro listing mark and marking tool thereof

The utility model relates to an in vitro listing mark and a marking tool thereof, belonging to the technical field of animal marks. The utility model solves the technical problem of low retention rate of the existing in vitro listing mark. The in vitro listing mark comprises a marked plate and a fixing piece, and is characterized in that the marked plate is a long shaft having an animal recognition mark, the fixing piece is an anchor hook formed by an anchor handle and at least one hangnail arranged on the head of the anchor handle, and the tail of the anchor handle is fixedly connected with the long shaft; the marking tool used for marking and hanging the in vitro listing mark on an animal body is characterized by comprising a handle, a mark tube and a mark head, wherein the handle is a hollow cylinder body, the mark tube is a hollow tube body matched with the long shaft, the tail of the mark tube is fixedly connected with the handle, the head of the mark tube is fixedly connected with the tail of the mark head, and the head of the mark head takes on a sharp angle shape. The in vitro listing mark has high low retention and is especially applicable to the fish of wide body type.