Sardines沙丁鱼

Sardines · a small fish low on the food chain

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沙丁鱼 · 食物链最底层的油鱼

Sardines are a group of small oily marine fish; an adult is usually only 15-25 cm long and spends its whole life eating plankton. That single fact is the root of every nutritional advantage it has.

Its identity splits in two: it is an oily fish, in the same family as salmon and mackerel, storing a large amount of omega-3 in its muscle; and it sits very low on the food chain, short-lived and small, so it never accumulates much heavy metal. This is the biggest contrast with tuna.

The most common form is canned sardines, usually with edible soft bones, packed in olive oil, tomato sauce, or brine. The main difference between canned and fresh is sodium and the packing oil; protein and omega-3 are broadly the same.

Remember one line: this is a cheap, extremely nutrient-dense, badly underrated fish.

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