Swai / Pangasius
Pangasianodon hypophthalmus
Farmed in large river delta systems in Vietnam (Mekong Delta). One of the most widely farmed fish in the world.
Contaminant load: Low–moderate
Flavor Profile
Very mild, neutral, clean. Similar to tilapia — a near-blank canvas.
Texture & Preparation
Soft, fine-flaked, somewhat delicate. Less firm than cod or tilapia.
Cooking Methods
💡 Chef's Insight
Swai asks something of the cook that more forgiving fish don't: you must build the flavor entirely from the outside, because the fish contributes almost none of its own. That's not a criticism — it's a culinary opportunity. Pat fillets completely dry on both sides (surface moisture is the enemy of a good sear) and season aggressively. For a Thai-inspired preparation: make a paste of lemongrass, galangal, lime leaves, shallots, garlic, and dried chili; rub it over the fillets and sear in a hot pan until a fragrant crust forms. Finish in coconut cream with lime juice and fish sauce. For a simpler approach: dust in curry powder, salt, and a little flour, pan-fry until golden, and serve over a bed of coconut rice with a cucumber-yogurt raita and pickled red onion. The soft texture actually benefits from these wet braises and sauce-heavy preparations, absorbing the surrounding flavors readily.
Safety Context
Low mercury. The primary concern is farming practices and potential antibiotic residue from some Vietnamese producers. Look for certified products. Not recommended as a daily staple, but a reasonable occasional choice when from certified sources.
Primary Contaminants
Low mercury. Some concerns about farming practices, water quality, and antibiotic use in Vietnamese aquaculture. Quality and safety can vary by producer.
Similar Alternatives
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This profile describes the species. Recommended consumption frequency depends on where the fish came from — the Water to Table Advisor™ locates the official advisory for your water and household.