On a chapeau gules, guarded ermine, a gurnet (fish) urinant proper.
1866, John Edwin Cussans, The Grammar of Heraldry: Containing a Description of All the Principal Charges Used in Armory, the Signification of Heraldic Terms, and the Rules to be Observed in Blazoning and Marshalling ; Together with the Armorial Bearings of All the Landed Gentry in England Prior to the Sixteenth Century, page 84