TYPE OF CANNED TUNA
our ultimate guide to canned tuna
Canned tuna is one of the ingredients that is easy to overlook, but you'll be glad once you've made it a pantry staple. Versatile and packed full of heart-healthy omega-3 fatty acids, canned tuna can be a snack with chips on its own or the star ingredient in salad or a simple pasta. All to say, it's time to give canned tuna another chance. Here's everything you need to know about shopping for canned tuna, including how long canned tuna lasts, and whether mercury is an issue. Also, discover why some canned tunas cost more than others.
TYPES OF CANNED TUNA
There are a few species of tuna you'll find canned, the most common are albacore and skipjack. Each has a slightly different flavor and texture.
- Albacore: With an overall light and mild flavor and a natural salinity, albacore is popular for its versatility. If you don't want a fishy taste, this is the tuna type for you. "I love albacore tuna in organic olive oil," says chef and co-founder of the tinned fish company Scout Charlotte Langley. "The overall flavor is mild, but the natural salinity of the fish comes through, lightly complemented by the clean, bright taste of the olive oil."
- Skipjack: The soft texture of skipjack tuna means you'll often find it in canned chunks, called chunk light. Skipjack has a strong, fishy, and usually salty flavor, and is ideal for those that love seafood.
- Bigeye: With a firm texture and a rich, sweet flavor, bigeye tuna is less fishy than skipjack, but not as mild as albacore.
- Tongol: This is a delicate, mild tuna that is less fishy than skipjack and tends to contain lower mercury levels than albacore.
- Yellowfin: Pale pink in color, yellowfin tuna has a mild, sweet, and meaty flavor.
- Ventresca: This is the marbled belly of a type of albacore tuna. It tends to be the softest and sweetest part of the fish.
WHITE VS. LIGHT V. CHUNK LIGHT TUNA
Wander the tinned fish supermarket aisle, and you'll likely spot cans labeled white, light, or chunk light tuna.
- White: This refers to albacore tuna.
- Light: This label can include a variety of tuna species; it's often skipjack, but may also be a mix of skipjack, yellowfin, bigeye, or tongol.
- Chunk light: This simply indicates light tuna in smaller pieces, instead of a packed filet.
OIL-PACKED VS. WATER-PACKED TUNA
Is oil-packed or water-packed tuna better? You'll see both in aisles. There's no right answer, although one way to decide which to buy is to think about how you will use it. Oil packed is great. Water packed is fine, too; obviously water pack has less flavor, but you can always add oil."
WHEN TO CHOOSE WATER-PACKED
Suppose you're looking to incorporate tuna into a recipe that calls for its own seasoning. In that case, water-packed allows the flavor of the tuna to shine through, and you can control the spices and seasoning and adjust accordingly. "I find the tuna packed in water is best for eventually mixing it with some kind of fat and other flavors,"
WHEN TO CHOOSE OIL-PACKED
If, however, you're making a dish that calls for olive oil—or you're snacking on tuna—you might want to reach for canned tuna packed in the fat. "As a longtime seafood chef, I prefer my tuna packed in olive oil for richness, mouthfeel, and moisture.
How Long Each Lasts
Keep in mind, however, that while canned or jarred tuna is shelf-stable for three to five years on average, pouched tuna is normally only shelf-stable for three years—and unlike cans or jars, the packaging is not recyclable.
Why Some Canned Tuna Is More Expensive
Generally, albacore or white canned tuna costs more than light or chunk light tuna. That's due to several factors, including consumer demand; white tuna is also all albacore, while light can contain a combination of tuna species. Whether the tuna is one solid piece of filet or various pieces can also impact cost.
Tuna in glass jars also tends to be pricier due to the cost of glass—both to make and distribute.
Is Mercury an Issue?
Any canned tuna you consume will likely contain some mercury, but while the neurotoxin is something to consider, it shouldn't be a concern for most people. However, if you are pregnant or trying to conceive, you should speak with your doctor about consuming canned fish, as mercury can affect the health of developing fetuses. Parents of young children may also want to talk with their child's physician, since consuming mercury above certain levels can affect neurodevelopment.
"There is a range of other tinned fish options to support a diverse diet. Species such as sardines, salmon, oysters, and even types of tuna [including skipjack] are typically low in mercury,".
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