Freshwater fish What is a fish? Four big differences with fish!

Crucian carp, also known as swordfish, carp, crucian carp, is a common edible fish in China. It is deeply loved by people because of its fresh and tender meat, high nutritional value and low price. Many places are farmed. What kind of fish is that crucian carp? What's the difference between grass carp and grass carp?

What kind of fish is crucian carp?

1. Crucian carp is a freshwater fish of the family Cyprinidae, abbreviated as crucian carp, head looks like small carp, the shape is streamlined, tall and flattened, the front is curved, the back is raised, the body length is about 20cm, the head is short, there is no need, there is a dorsal fin, anal fin, caudal fin, in which the dorsal fin and the third anal fin have hard spines, and the posterior edge is serrated, and the caudal fin is silvery gray with yellowish luster, and in March or April, there are many thick roe, which is the top grade of the fish.

2. Crucian carp are freshwater fish, which are generally common in paddy fields, ponds, lakes and other freshwater basins, but with the gradual increase of air temperature and water temperature, crucian carp will also swim to the middle and lower layers of the water to find food. Generally speaking, the meat is the fattest in February to April or August to December. The common ones are crucian carp, Dianchi high-backed crucian carp, Pengze crucian carp, founder silver crucian carp, white crucian carp and so on, among which crucian carp and white crucian carp are the most common in life.

3. Crucian carp are omnivorous fish, which are mainly plant-based foods, such as fresh and tender water plants, shrimp, earthworms, insects, young snails, etc., so they are easy to raise. Of course, corn and bean cakes can also be mixed into feed.

4. Crucian carp is a high-protein fish, which generally contains 13g protein, 11g fat and calcium, phosphorus, iron and other trace elements per 100g. It has the effect of warming stomach and tonifying deficiency. It is very suitable for postpartum baby mother, after surgery or weak people to eat.

What's the difference between crucian carp and grass carp?

Difference one, different families and genera: crucian carp is freshwater fish of Cyprinidae; Grass carp is freshwater fish of Cyprinidae.

Difference two, the shape is different: crucian carp is small and flat, the dorsal fin is open like a long triangle; grass carp is longer, the whole looks round, and the dorsal fin is irregular square after opening.

Third, the distribution range is different: crucian carp is common in Eurasia, and is more common in lakes, rivers, ponds and other water bodies in China; grass carp are common in rivers and lakes in plain areas, and generally live in the middle and lower layers of water or near-shore aquatic grass areas.

Fourth, the food you eat is different: crucian carp have miscellaneous food habits, mainly plant-based foods, and can usually eat shrimp, earthworms, insects, diatoms, aquatic plants, etc., especially in areas with raw water chestnut or lotus root, you can get a variety of rich nutrients; grass carp are lively and active, often foraging in groups, eating all kinds of larvae and algae when young fish, and eating some earthworms and dragonflies when they grow up.

Generally speaking, crucian carp is the freshwater fish that looks like small carp. Generally speaking, the meat is the fattest in February to April or August to December. It can warm the stomach and replenish deficiency. It is suitable for pregnant women and people after surgery. Although it is similar to grass carp, there are some differences in appearance and distribution between them, so we should pay attention to it when choosing and purchasing.