Tuna, for example, will only have about 200 grams total of noten -- and each fish only comes with two pieces. That's especially astonishing, considering that bluefin tunas average about 130 pounds.

Use fish quickly. Eat fresh or defrosted seafood within a day or two. You can freeze fresh-caught fish within that time frame ...

Tuna is a popular and nutritious saltwater fish, but you may worry about its mercury content. This article reviews mercury in tuna and tells you whether it’s safe to eat this fish.