Grass carp and crucian carp are both common fish, and they are very similar in appearance. They also belong to Osteichthyes, Cypriniformes, and Cyprinidae. Therefore, many people will confuse the two, and sometimes they cannot be clearly distinguished when they encounter them. Although they have some of the same appearance characteristics, but they are not the same kind of fish, in fact, they still have some differences. If you want to distinguish the two, you can distinguish them from their many differences.
1. Family and genus difference: Although grass carp and crucian carp belong to Osteichthyes, Cypriniformes and Cyprinidae, it does not mean that they refer to the same kind of fish. In fact, their genus is different, grass carp is grass carp, crucian carp is crucian carp, is two different kinds of fish.
2. Difference in shape: The shapes of grass carp and crucian carp are also different. The overall shape of grass carp looks relatively round, like a cylinder. In contrast, the body of crucian carp will be slightly flat.
3. Color difference: The color of grass carp and crucian carp are also different. If you observe them carefully, you can tell them apart. The color of grass carp is relatively monotonous, basically gray-black. The color of crucian carp is dark gray on the back, silvery white on the abdomen, and sometimes a little yellowish.
4, nutritional value difference: Grass carp and crucian carp are edible fish, but the nutrition of the two is different. Compared with the two, crucian carp has better meat and higher nutritional value, especially protein content. The nutritional value of grass carp is not as high as crucian carp, and the taste is not as good as crucian carp.
