Knife fish and hairtail are common fish in our country and can be seen in many places. But the knife fish and the hairtail are not the same, the two are not the same kind of fish, can not be confused. In fact, the two categories are different, the purpose is different, indicating that the difference is relatively large. In addition, knife fish and hairtail are different in appearance, living environment and personality, and the difference is relatively large, which can be distinguished from these aspects.
between knife fish and hairtail? 1. Different families and genera: As mentioned above, knife fish and hairtail belong to different categories. Specifically, the saury belongs to the genus Coilia of the family Engraulidae of the order Clupeiformes, while the hairtail belongs to the genus Trichiurus of the family Trichiuridae of the order Mackerel. It can be seen that the order, family and genus of saury and hairtail are all different, and they are two kinds of fish with great differences.
2. Different colors: From the appearance, if you look carefully, you will find that the colors of the two are different. The color of the head and back of the knife fish is close to light blue, while the color of the hairtail is silver gray. In addition, the fins of knife fish are mostly beige, while those of hairtail are light gray.
3. Different body types: The body types of the two are also quite different. Saury is a small fish, while hairtail is relatively large, with more individuals over 1 meter.
4. The living environment is different: Saury has the nature of migration, so they sometimes move in fresh water and sometimes in the sea water. Hairtail, on the other hand, is a typical marine fish that lives in the sea.
5. Different personalities: The personalities of the two are not the same. The character of knife fish is relatively mild, while the character of hairtail is very fierce, which can be clearly reflected when they hunt.
