What do dirty fish catfish eat to grow fast? The difference between Qingjiang fish and Qingjiang fish

Catfish, also known as moustache silver carp, is a common fish in the market. It is called "dirty fish" because of its miscellaneous eating habits, but it is rich in nutritional value, so it is very popular with people. What does catfish eat to grow fast? What's the difference between Qingjiang fish and Qingjiang fish?

First, catfish introduction:

1. What kinds of catfish are there?

Big-mouthed catfish, catfish, leather catfish.

2. Where do catfish grow?

Catfish grow in lakes, reservoirs, under rocks, deep water bottom, and so on, more than under water peanuts, water hyacinth, water water lotus, generally in the day under the grass, stone activities, at night mostly in the lake edge, pond edge activity.

Second, what does catfish eat to grow fast?

1, catfish is carnivorous fish, mainly crucian carp, wheat ear fish, Loach, carp and other small fish for food, of course, also eat aquatic insects, shrimp and so on.

2. Most of the young catfish feed on aquatic insects, phytoplankton or molluscs, and can swallow carp, crucian carp, Loach and so on.

3. Cultured catfish not only eat all kinds of fish, but also eat artificial feed made of hay powder, barley, silkworm pupa, bean cake, fish meal, rapeseed cake and so on, and the growth rate is also very fast.

What's the difference between catfish and Qingjiang fish?

First, the growth environment is different: catfish live in ponds, rivers and other fresh water; Qingjiang fish live in non-polluting water with moderate acidity and basicity.

Difference two, different in appearance: catfish head is large and flat, fish mouth is curved, relatively round, there is a small dorsal fin on the back, the tail is round fan-shaped; Qingjiang fish head is smaller, fish mouth is wide and flat, there are two dorsal fins on the back, one in the front, one in the tail, the tail is bifurcated.

Third, the beard is different: catfish has four or more whiskers; Qingjiang fish has two whiskers.

Fourth, the color is different: the belly color of catfish is white or light gray; the whole body color of Qingjiang fish is similar.

Difference five: weight is different: catfish weight is different, the largest is bigger than people, can reach thousands of jin; Qingjiang fish weight is relatively light, the whole looks petite.

Difference 6, the price is different: catfish market price is about 3.5 yuan per jin, Qingjiang fish market price is about 20 yuan and 40 yuan per jin.

Seventh, the distribution area is different: catfish are widely distributed, almost all over the world; Qingjiang fish are mainly distributed in the Qingjiang reservoir area of Hubei, known as the "province of a thousand lakes" Hubei aquatic products, currently registered as the State Administration of Industry and Commerce.

To sum up, catfish is a carnivorous fish, whether it is carp, crucian carp, Loach or aquatic insects, so it is good for breeding. In addition, although catfish and Qingjiang fish are similar, they are different in appearance, color of dorsal fin or beard, so we should pay attention to them.