Patent ID: 7090574

Claim:
In a method for filleting fish which have been beheaded, slaughtered and had their ventral cavity opened during large-scale processing of certain farmed and/or breeding fish of the tilapia species, wherein fillets are detached from the bone structure by means of: a) dorsal cuts made in a dorsal region as far as a vertebral column and exposing dorsal spokes; b) ventral cuts made on a ventral side in a caudal region as far as the vertebral column and exposing ventral spokes; c) separating cuts made over the vertebral column and connecting the dorsal and ventral cuts; and d) peeling separation which under laterally yielding counterpressure is effected from the vertebral column along ribs surrounding a ventral cavity; the improvement which comprises: e) peeling separation by peeling cuts adapted to the rib contour and made with at least two degrees of freedom; and f) then trimming ventral lobes by separation of ends of their ventral lobe portions projecting beyond the ribs.