What do dirty fish catfish eat to grow fast? What is the difference from Qingjiang fish
Catfish, also known as bearded catfish, is a common fish on the market. Because of its omnivorous feeding habits, it is called “dirty fish”, but it is rich in nutritional value, so it is very popular. So what do catfish eat to grow fast? What is the difference from Qingjiang fish?
1. Introduction to catfish:
1. What types of catfish are there?
Large-mouth catfish, bearded catfish, and leatherback bearded catfish.
2. Where do catfish grow?
Catfish grow in lakes, reservoirs, under stones, and at the bottom of deep water. They mostly hide under alligator weed, water hyacinth, and water lettuce. Generally, during the day they are mostly active in grass clusters and under stones, and at night they are mostly active at the edges of lakes and ponds.
2. What do catfish eat to grow fast?
1. Catfish are carnivorous fish and mainly feed on small fish such as crucian carp, topmouth gudgeon, loach, and common carp. Of course, they also eat aquatic insects, shrimp, and so on.
2. Young catfish mostly feed on aquatic insects, phytoplankton, or mollusks. When they grow to one jin, they can swallow common carp, crucian carp, loach, and so on.
3. In addition to eating various fish, artificially farmed catfish also eat artificial feed made from dried grass powder, barley, silkworm pupae, soybean cake, fish meal, rapeseed cake, and so on, and their growth rate is also very fast.
3. What is the difference between catfish and Qingjiang fish?
Difference 1. Different growing environments: catfish live in freshwater such as ponds and rivers; Qingjiang fish live in pollution-free water with moderate acidity and alkalinity.
Difference 2. Different appearance: the catfish has a large, flat head, and its mouth is curved and relatively round. It has 1 small dorsal fin on its back, and its tail is round and fan-shaped; the Qingjiang fish has a smaller head, a wide and flat mouth, and 2 dorsal fins on its back, one in front and one near the tail, and its tail is forked.
Difference 3. Different barbels: catfish have four or more barbels; Qingjiang fish have two barbels.
Difference 4. Different colors: the belly of the catfish is white or light gray; the Qingjiang fish is almost the same color all over its body.
Difference 5. Different body weights: catfish vary in weight, and the largest can be bigger than a person, reaching several thousand jin; Qingjiang fish are relatively light in weight and look delicate overall.
Difference 6. Different prices: the market price of catfish is about 3.5 to 9 yuan per jin, while the market price of Qingjiang fish is about 20 to 40 yuan per jin.
Difference 7. Different distribution areas: catfish are widely distributed and are found almost all over the world; Qingjiang fish are mainly distributed in the Qingjiang reservoir area in Hubei, and are praised as a top aquatic product of Hubei, “the province of a thousand lakes”. It is currently registered with the State Administration for Industry and Commerce.
In summary, catfish are carnivorous fish and eat common carp, crucian carp, loach, and aquatic insects alike, so they are very easy to farm. In addition, although catfish and Qingjiang fish are similar, the two still differ to some extent in appearance, dorsal fin color, and barbels, so pay attention when purchasing.