<P>PROBLEM TO BE SOLVED: To provide a device for cutting fish roe fibrous membrane automatically and continuously removing fibrous membrane parts adhering to each of fish roe granules separated from ovarian membrane by a device for continuously separating fish roe so as to produce fish roe granules having high commercial value. ??<P>SOLUTION: The device for cutting fish roe fibrous membrane is set up to a device for continuously separating fish roe with an ovarian membrane including a lot of fish roe granules into the ovarian membrane and a lot of separated fish roe granules. The device is provided with: an inner space 21 in which a lot of transferred fish roe granules separated from the ovarian membrane are acceptable from the device for continuously separating fish roe; an oscillating surface 22 formed into a mesh state through which the fish roe granules E1, ... accepted in the inner space 21 can be conveyed and passed; a rotary cylinder part 20 rotationally set up; and a fibrous membrane-cutting member 33 which is closely set up to the mesh-state oscillating surface 22 of the rotary cylinder part 20 and can cut the fibrous membrane part adhering to the fish roe granules falling down from the oscillating surface 22. ??<P>COPYRIGHT: (C)2010,JPO&INPIT ??