Fresh wild-caught haddock fillet, a premium white-fleshed lean fish from the North Atlantic. Haddock is a member of the cod family known for its mild, slightly sweet flavor and firm, flaky texture when cooked. This is raw haddock sold by the pound.

Haddock is exceptionally high in protein, providing over 16 grams per 100 grams for only 74 calories, making it one of the most protein-dense seafood options available. It contains all essential amino acids in healthy proportions. The fish is also rich in vitamin B12 (providing 147% of daily value per fillet), selenium (91% DV), niacin (41% DV), vitamin B6 (32% DV), phosphorus (35% DV), and magnesium (10% DV). While haddock provides omega-3 fatty acids from EPA and DHA, the content is modest at 0.27 grams per fillet compared to oily fish varieties.

Nutrition per 193-gram fillet (raw): 143 calories, 31.5g protein, 0.87g fat (0.18g saturated, 0.27g omega-3), 0g carbohydrates. Rich in B vitamins including B12, B3, and B6, plus selenium and phosphorus. Haddock is classified as a "best choice" by the FDA due to its very low mercury content (0.055 PPM).