Because fish fillets do not contain the larger bones running along the vertebrae, they are often said to be "boneless". However, some species, such as the common carp, have smaller intramuscular bones called pins within the fillet. The skin present on one side may or may not be stripped from the fillet.
Does fillet fish mean no bones?
A fillet is a strip of meat or fish that has no bones in it.
What fish fillets have no bones?
Some fish which is readily made into steaks, like tuna or halibut, will have either no bones at all or just a bone right in the middle. Sole, swordfish, mahi mahi, grouper, whitefish, perch, any of these will be virtually bone free.