Sardines are small fish. 
Sardines are small, oily fish. 

Sardines are small, oily fish. They are a very healthy food. These fish have many vitamins and minerals. They have B vitamins. These help your body turn food into power. They also have omega-3 fatty acids. These fats are good for your heart and brain. 
People eat sardines in many ways. You can eat them fresh or grilled. In Greece, people often grill them with lemon and garlic. In England, they make a pie called stargazy pie. 
Sardines are also used for other things. Some are made into fish meal for animals. Sardine oil can even make paint and varnish. 
Sardines are small, oily fish that people all over the world enjoy eating. They are very healthy because they are full of vitamins and minerals. These little fish provide plenty of vitamin B12 and vitamin B2. They also have omega-3 fatty acids, which are great for your heart and your brain. Because sardines are low in the food chain, they have very little mercury in them. This makes them a safer choice than some larger fish. 
There are many ways to prepare these fish for a meal. At a factory, workers wash the fish and remove their heads. They might cook them by steaming or deep-frying them before they are dried. Many people buy them in cans filled with water or olive oil. You might also find them in a tasty tomato or mustard sauce. In some places, like the Canary Islands, people grill them over volcanic vents. 
People have been fishing for sardines for a very long time. In Croatia, people have caught them for thousands of years. In the 1800s, a place called Douarnenez in France was a world leader in sending sardines to other countries. In England, a town called Cornwall had a huge sardine industry from 1750 to 1880. Today, many places still use old traditions to catch them. Some fishers even use lateen sail boats for special festivals.
Different countries have their own special ways to use sardines. In Greece, they are often served at seaside restaurants with lemon and garlic. In Italy, Sicily has a famous pasta dish made with sardines and fennel. Morocco is the biggest exporter of canned sardines in the whole world. In Australia, many sardines are used to feed tuna in sea cages. Even in the Philippines, sardines are a very important food for families. 
Sardines are useful for much more than just eating. Some sardines are turned into fish meal to feed animals. Sardine oil is even used to make things like paint and varnish. The way fish are packed tightly in a can gave us a famous saying. We say people are "packed like sardines" when a place is very crowded. There is even a children's game with that same name.
Sardines are small, oily fish that serve as a vital resource for humans and marine life. They are highly nutritious and are eaten by larger fish, seabirds, and marine mammals. Humans consume them in many forms, such as canned, pickled, smoked, or fresh. The term "sardine" appeared in English during the early 15th century. It likely comes from the Mediterranean island of Sardinia, where these fish were once very abundant. Today, the names "sardine" and "pilchard" are used differently depending on the region. For instance, the United Kingdom's Sea Fish Industry Authority classifies sardines as young pilchards. 
There is no single definition for what makes a sardine. The FAO/WHO Codex standard for canned sardines includes 12 different species from the Order of Clupeiformes. These species include the Atlantic herring (Clupea harengus) and the brisling sardine (Sprattus sprattus). The FishBase database notes that at least six species are called "pilchard." More than a dozen species are called "sardine." Many other species use these names with different adjectives. Because they are low in the food chain, sardines contain very little mercury. This makes them safer to eat than many larger fish species.
Preparing sardines for consumption involves several precise steps. At a cannery, workers first wash the fish and remove their heads. Some larger varieties are also eviscerated, which means their internal organs are removed. To ensure quality, live fish may be held in tanks to empty their digestive systems. The fish are then cooked by steaming or deep-frying and are dried. Finally, they are packed into small cans. They might be packed in olive, sunflower, or soybean oil. Other options include water, tomato sauce, chili sauce, or mustard sauce.
Sardines provide an impressive amount of nutrition in small servings. A single daily serving can provide 13% of the Recommended Daily Allowance (RDA) of vitamin B2. They provide about 25% of the RDA for niacin and 150% of the RDA for vitamin B12. These B vitamins help the nervous system and support energy metabolism. Sardines are also high in phosphorus, calcium, potassium, iron, and selenium. They are a natural source of marine omega-3 fatty acids. These acids may reduce cardiovascular disease and boost brain function. They may even help lower blood sugar levels slightly.
Different cultures have developed unique traditions around these fish. In Croatia, fishing for sardines began thousands of years ago. In the Canary Islands, tourists can eat sardines grilled over volcanic vents. In Greece, sardines are a staple diet item, especially in July and August. They are often served as "meze," which are small treats, in seaside restaurants. In Italy, Sicily has a famous dish called pasta con le sarde. This pasta uses sardines, fennel seed, saffron, raisins, and almonds. In England, Cornwall is famous for a traditional dish called stargazy pie. 
Global commerce relies heavily on sardine populations. Morocco is the world's largest exporter of canned sardines. It also supplies the majority of sardines to the European market. In Morocco, sardines make up 62% of the fish catch. They also account for 91% of the raw material used in domestic canning. In Peru, the catch of the Peruvian sardine has varied due to environmental factors. In 2000, the catch was high, but it reached a low of 5.35 million metric tons in 2009. Most of these fish are used to create fish meal and fish oil.
Beyond food, sardines have many industrial and social uses. Sardine oil is used to manufacture paint, varnish, and linoleum. Fish meal is a common ingredient in animal feed. The way sardines are packed tightly in cans created a popular metaphor. People use the phrase "packed like sardines" to describe crowded places. This phrase even inspired a children's game. In the game, players pack into a shared space until only one person is left out. This shows how a simple biological fact can influence language and play. 
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