The English name for crayfish is "Crawfish" or "Crayfish". Both words can mean crayfish, but they are used with different frequencies in different countries or regions.

Crawfish is a term used in the southern United States, especially in Louisiana, where it is a traditional delicacy. Crawfish generally refers to freshwater lobsters, which are different from ocean lobsters. Crawfish is a variation of "Crayfish" and "Crawdad" and is one of the most commonly used terms in the English language.

Crayfish is a term used in areas such as the United Kingdom and Australia, and can also refer to crayfish. Crayfish are freshwater crustaceans found in rivers and lakes around the world. Crayfish is a very popular food that can be prepared in many different ways.

In short, the English name for crayfish is "Crawfish" or "Crayfish". These two words are used with different frequencies in different countries or regions, but they can both refer to crayfish, a freshwater crustacean. If you want to taste delicious crayfish, look for Crawfish in the southern regions of the United States, or Crayfish in regions such as the United Kingdom and Australia.