Apparatus for cutting a frozen fish slab into a plurality of individual portions comprising a main conveyor and including a bed composed of a number of laterally spaced plastic strips forming slots therebetween, said bed having opposite ends, a number of endless chains, each chain being associated with one of said slots and having a series of fingers thereon projecting upwardly through the slot with which it is associated, a magazine at one of said ends of said bed for delivering said slabs successively onto said bed for engagement by said fingers, means for causing said chains to move in a direction to advance said slabs, a number of liquid jet devices located above said main conveyor and intermediate the ends of said bed thereof for cutting said slabs into individual portions, said number of devices corresponding to said number of chains, means for shifting at least some of said devices laterally relative to each other to produce individual portions having curved edges, and a spreader conveyor at the other end of said conveyor for receiving said individual portions and causing said individual portions to be divergingly advanced for a subsequent processing operation.