Traditional Culture Encyclopedia - Photography and portraiture - How to introduce puffer fish in English! ! ! Wait online! ! ! ~~! ! ! 20 gold coins! ! ~~
How to introduce puffer fish in English! ! ! Wait online! ! ! ~~! ! ! 20 gold coins! ! ~~
Common marine mollusks that people like as food sources include many kinds of clams, mussels, oysters, snails and scallops. Some common crustaceans are shrimp, prawn, lobster, crayfish and crab.
Echinoderms are not harvested as food as mollusks and crustaceans, but sea urchin eggs are very popular in many parts of the world.
Most shellfish foods are mainly composed of phytoplankton and zooplankton.
Shellfish is one of the most common food allergens.
The term shellfish has broad and narrow meanings. In layman's terms, just like eating "shellfish" for dinner, it can refer to anything, from clams and oysters to lobsters and shrimps. For regulatory purposes, it is usually narrowly defined as filter-feeding mollusks, such as clams, mussels and oysters, but does not include crustaceans and all other animals.
Although the term is mainly used for marine species, invertebrates that eat fresh water, such as crayfish and mussels, are sometimes classified as "shellfish".
Although their shells may be different, all shellfish are invertebrates. As non-mammals who have lived in water all their lives, they are "fish" in the historical sense; However, in modern terminology, the word finned fish (or finned fish) is used to distinguish fish from shellfish.
The word "shellfish" has both singular and plural; The seldom used "shellfish" is sometimes used to distinguish different types of shellfish.
Archaeological findings show that human beings have been using shellfish as food for thousands of years. At present, shellfish dishes are the characteristics of almost all dishes in the world, which provide an important source of protein in many dishes around the world, especially in coastal countries.
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