fillet

One of my favorite things is shark and bake, which is a fried fillet of shark served in a piece of fry bread with a variety of condiments like chandon beni sauce and pepper sauce.

"They were ordering T-bone steaks, fillet steaks, double desserts, they wanted two brownies on a plate," said Mr Cangelosi.

These oily fish contain essential nutrients including calcium, B12 and omega-3 but some are lost from our diets when we just eat the salmon fillet.

They found a decrease in six out of nine nutrients in the salmon fillet -- calcium, iodine, iron, omega-3, vitamin B12 and vitamin A, but increased levels of selenium and zinc.

Both wild-caught and farmed salmon can be sustainable, but determining the environmental impact of a fillet isn't simple.