They also flag types of seafood … Choosing your fish … November 8, 2010. A basic and straightforward guide to help you buy fish safely and responsibly (Photo: Flickr/anneCN/CC4.0). Five of the Most Unsustainable Seafood Choices . Here are five fish … Imported Basa/Swai/Tra/Striped Catfish (Often Labeled “Catfish”) Although these fish are popping up as trendy new menu items all over the United States, what you’re likely getting is a fish called pangasius or swai fish… This is your guilt-free, bragging-rights fish list. It's hard to know what fish are okay to eat these days. Some of the common types of fish classified under the catfish category are: • Piraiba found in South America • Mekong giant catfish found in Southeast Asia• Wels catfish found in EurasiaThis seafood … By. If you’re unwilling to exclude marine species from your diet entirely, you can make sure to consume only those species that currently deemed sustainable. Sustainable Fish Guide: The Best and Worst Fish. Yasmin Fahr. But fear not, we have resources to help.Seafood Watch Guide Monterey Bay Aquarium's Seafood Watch guides provide at-a-glance info on which fish is relatively abundant (okay to eat) and which species are overfished (need to avoid). Catfish is a group of fish with prominent whisker-like barbels. Provides at least 250 mg of omega-3s Is classified as a Seafood Watch "Best Choice" (aka caught sustainably). 8.