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Lobster tails are one of the most popular seafood items in wholesale retail stores, and they’re especially common at Costco. They look premium, taste indulgent, and are often far more affordable than ordering lobster at a restaurant. But despite their popularity, many shoppers are surprised to learn that not all frozen lobster tails come from the same place—or even the same type of lobster.
In fact, the origin of these lobster tails depends on whether they are “cold-water” or “warm-water” varieties, and this difference plays a major role in their taste, texture, and price.
Most frozen lobster tails sold in large retail chains like Costco are typically sourced from warm-water regions. These lobsters are often harvested from coastal areas in countries such as Brazil, Nicaragua, Indonesia, and other tropical or subtropical locations. Warm-water lobsters belong to the spiny lobster family, which differs from the classic North Atlantic lobster many people associate with Maine. Unlike cold-water lobsters, spiny lobsters do not have large claws, so the tail is the primary edible portion.
Cold-water lobster tails, on the other hand, usually come from regions like Canada or the northeastern United States, particularly Maine. These are considered the traditional “true lobsters” with large claws and a sweeter, more tender meat texture. Cold-water lobster tails are generally more expensive because they are harder to source and are often subject to stricter fishing regulations.
So why does Costco primarily sell warm-water lobster tails in the frozen section? The answer comes down to consistency, cost, and availability. Warm-water lobster tails are easier to harvest in large quantities year-round, which makes them ideal for mass retail distribution. Freezing also allows them to be shipped globally without significant loss of quality, making them a practical option for a warehouse retail model focused on value pricing.