.6 oz to 28.8 oz of fish
Fish is an excellent source of high-quality complete protein and omega-3 polyunsaturated fatty acids (particularly EPA and DHA in fatty fish), along with selenium, vitamin D, and B vitamins. Most fish varieties are low in saturated fat and calories relative to their protein content.
About
Fish are aquatic vertebrates belonging to the class Actinopterygii (ray-finned fishes) and Sarcopterygii (lobe-finned fishes), representing diverse species consumed worldwide as a primary source of protein and omega-3 fatty acids. Fish vary dramatically in size, flavor, and texture depending on species, habitat, and diet: cold-water species such as salmon and halibut develop higher fat content and richer flavors, while white-fleshed fish such as cod and flounder offer milder, more delicate profiles. The culinary classification often divides fish into fatty (oily) fish, white fish, and shellfish, with flavor intensities ranging from subtle and buttery to robust and oceanic.
Fish can be sourced wild-caught from oceans, rivers, and lakes, or farmed in controlled aquaculture environments. Freshness is paramount in fish cookery, evidenced by firm flesh, clear eyes, and a briny aroma rather than a pungent "fishy" smell, which indicates spoilage.
Culinary Uses
Fish is one of the most versatile protein ingredients across global cuisines, prepared through grilling, baking, poaching, steaming, frying, and raw preparations such as ceviche and sashimi. Fatty fish species like salmon and mackerel are prized for their rich, pronounced flavors and work well in bold preparations with spices and acidic components, while delicate white fish such as sole and halibut pair elegantly with subtle sauces and butter-based preparations. Regional traditions showcase fish in countless forms: Spanish paella, Italian branzino, Japanese sushi, Southeast Asian fish curries, and Scandinavian cured preparations. Fish stock and fumet serve as foundational elements in classical French cookery, while whole fish preparations—whether roasted en papillote or stuffed—present dramatic presentations suitable for formal dining.