Are hairtail and knife fish the same kind of fish? What's the difference?

Hairtail and knife fish are not the same kind of fish. They are two very different kinds of fish, as can be seen from the category. The hairtail belongs to the genus Trichiurus of the family Trichiuridae of the order Scombriformes, while the saury belongs to the genus Coilia of the family Coilia of the order Clupeformes. Their orders, families and genera are different, so they are distantly related and have great differences. Hairtail and knife fish are different in many ways, for example, from the appearance, the mouth of hairtail is prominent and larger, while the mouth of knife fish is more round and blunt.

1. Are hairtail and knife fish the same kind of fish

? Hairtail and knife fish are common fish in our country. Because they look a little alike, such as body shape, color, body shape and so on, they are similar, so they are easily confused by people. But in fact, knife fish and hairtail are two kinds of fish that are quite different, which can be seen from their respective categories. The hairtail belongs to the genus Trichiurus of the family Trichiuridae of the order Mackerel, while the saury belongs to the genus Coilia of the family Coilia of the order Clupeiformes. Because the order, family and genus of the two are different, they are very different. The different types

of hairtail and knife fish determine that they are two different kinds of fish, and when comparing them from specific aspects, we can also find that there are many differences. For example, from the appearance, the difference between their mouths is relatively large. From the point of view of living environment, hairtail has always been in the sea, while saury has the habit of migration, and usually enters fresh water when breeding.

2. What is the difference between

hairtail and saury? 1. Family and genus difference: The first difference between hairtail and saury is the category. The hairtail belongs to the genus Trichiurus of the family Trichiuridae of the order Scombridae, while the saury belongs to the genus Trichiurus of the family Scombridae of the order Clupeiformes, which is not the same.

2. Mouth difference: From the appearance, the difference between the two mouths is relatively large. The mouth of the hairtail is larger and more prominent, while the mouth of the knife fish is more blunt and round.

3. Differences in living environment: Both hairtail and knife fish can live in the ocean. But the hairtail is always living in the sea, but the depth will change; the knife fish is different, when they breed, they will generally enter the fresh water, for example, the number of knife fish breeding in the Yangtze River and the Yellow River is relatively large.

4. Distinction of nicknames: Hairtail and knife fish have different nicknames. The alias of hairtail has "oily belt", "tooth hairtail" etc., the alias of knife fish has "hair fish", "bitter first fish" etc.