fish -- a half pound per serving
Fish is an excellent source of high-quality complete protein and omega-3 fatty acids, particularly in oily varieties; white fish is lean and rich in B vitamins and minerals such as selenium and phosphorus.
About
Fish are aquatic vertebrates of the class Actinopterygii (ray-finned fishes) and other related classes, characterized by gills, fins, and a streamlined body adapted for life in water. Fish encompass hundreds of species ranging from delicate white-fleshed varieties such as sole and cod to oily, rich-fleshed species such as salmon and mackerel. The flavor profile and texture vary significantly by species and habitat: freshwater fish tend toward milder, delicate flavors, while ocean fish offer bolder tastes and variable fat content. Key culinary categories include lean white fish (flounder, halibut, haddock), firm white fish (cod, snapper), meaty fish (tuna, swordfish), and oily fish (salmon, mackerel, sardines), each suited to different preparation methods and cuisines.
Culinary Uses
Fish is a foundational protein in global cuisine, prepared by poaching, steaming, baking, grilling, frying, and raw preparations such as ceviche and sashimi. White fish fillets are essential in European cooking (sole meunière, fish and chips), while oily fish feature prominently in Mediterranean and Asian cuisines. Fish is particularly valued in Japanese, Scandinavian, and South American culinary traditions. The choice of preparation depends on fat content and texture: delicate white fish benefit from gentle cooking and light sauces, while firm and oily fish can withstand robust treatments, smoking, and strong flavor pairings.