The non-profit advocacy group Oceana says nearly one-in-three fish we eat is mislabeled. "Early Show" Special Contributor Katie Lee explained it's called "fish fraud." That means when you go to your favorite restaurant, grocery store or seafood market, your fish might be something else altogether.

According to Oceana, fish are often replaced with cheaper species. Oceana's report says cod is often oilfish. Wild salmon, they say, could be straight from the farm. And red snapper is something different like tilapia more than 70 percent of the time.

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