SOUTH PHILADELPHIA -
Next time you head to the grocery store or do date night, you might want to keep an eye on whether your fish is a fraud.
Among the worst offenders, according to a new study: sushi bars.
Restaurants were in the middle.
"I'm definitely concerned about it," exclaimed Todd Meander. "As a consumer you don't want to get ripped off for any reason."
According to the study by Oceana, more than 50 percent of fish in Pennsylvania is mislabeled or replaced with cheaper types.
And you may be swallowing it hook, line and sinker.
Tony D' Angelo's got his finger on the pulse of what pescetarians should keep an eye on.
"You always want red gills. You don't want eyes to be sunken in."
He helps run Ippolito's in South Philly and his family has been in the fish business for more than a century.
Tuna and snapper are two of the most mislabeled fish, according to Oceana.
Tilapia is often used as a cheap replacement for snapper.
But D'Angelo says don't take the bait.
"It's usually sold with the skin on, to take the skin off is almost sacrilege because the skin is better for you and tastes great. "
And when it comes to tuna, D'Angelo says pay attention to color. A rich red is key.
"Tuna is not pink and that's what you have to understand. When you buy fish and you see the pink color, it looks pretty, but its not supposed to be, regardless."
Experts say price is also key. If something sounds too good to be true. More than likely it is