tilapia is favored by restaurants because it is cheap, and has no taste (seriously), and takes on the flavor of however it is prepared. If you can overlook the fact that it was probably raised in Vietnamese septic tank, could be a good choice.
Quality tuna will grill and taste like steak, Just like beef you want a cut off the loin.
Quality tuna will grill and taste like steak, Just like beef you want a cut off the loin.