Abstract: An expandable fish lure adapted to be coupled to a fishing line includes a pair of substantially flat sides having a fish lure appearance in order to attract fish. The lure is formed of a unitary, U-shaped member for biasing said side members apart, each side carrying a fish hook at one extremity thereof. Locking means, in the form of an axial shaft extending between the two sides and a pair of locking plates at the extremities of the sides, cooperate together against the tension of the biasing means until such time as the axial shaft is pulled through the two locking plates to permit release of the sides thereby causing one of the fish hooks to expand away from the shaft.