CATDOLL : CATDOLL: Are Qingjiang fish and catfish the same fish?

1. Are Qingjiang fish and catfish the same fish?

Not a kind of fish.

Qingjiang fish refers to fish produced in the Qingjiang Reservoir area of ​​Hubei Province, which is known as the "Province of Thousand Lakes" and is a unique aquatic product of Hubei. The "Qingjiang fish" trademark has been registered with the State Administration for Industry and Commerce. The Changyang "Qingjiang fish" brand is favored by domestic and foreign merchants for its excellent growth environment, tender meat, no muddy smell, and safe consumption.

Catfish, Animalia-Chordata-Chordata-Actilopsis-Siluriformes-Siluridae-Silurus-Silurus. There are 4 whiskers on the mouth, the upper ones are long and the lower ones are short. They are carnivorous, mostly wild, and have low requirements for water quality. They can be cultivated artificially. They grow fast, and some species can grow to be very large.

Additional information:

The Qingjiang River originates from the mountain streams and caves in western Hubei Province and is formed by the confluence of more than 2,000 mountain springs. The waters have excellent water quality and no pollution sources. The fishery resources are very rich and the famous "Qingjiang fish" grows here.

The series of products have won the titles of "China Famous Agricultural Products", "Top Ten Famous Agricultural Products in Hubei" and gold medals at the 8th, 9th and 10th China Agricultural Fairs. The "Qingjiang Fish" trademark has won the title of "Hubei Famous Trademark" and 5 main varieties of Qingjiang fish have passed the national organic product certification.

For a long time, Qingjiang fish series products have been sold well in the mid-to-high-end aquatic product market in large and medium-sized cities in China, and have also been exported to more than a dozen countries and regions including Europe, the United States, Japan, and South Korea.

Catfish mainly live in the middle and lower layers of rivers, lakes, reservoirs and ponds, and are mostly active in coastal areas. They hide in grass, under rocks or in deep water during the day and forage frequently at night.

After autumn, they hibernate in deep water or mud, and their feeding rate also decreases. They are carnivorous fish, and their prey are mostly small fish, such as mullets, crucian carp, goby, wheatear fish, carp, loach, etc. They also eat shrimps and aquatic insects. They mainly swallow food, and the function of their teeth is mainly to prevent food from escaping.

References: Sogou Encyclopedia - Qingjiang Fish Sogou Encyclopedia - Catfish

2. Are catfish and longthorn fish the same fish?

They are not the same kind of fish. The main differences are different classifications, appearance characteristics, and living habits, as follows:

1. Different subject classifications

1. Catfish

Catfish, also known as catfish, belongs to the phylum Chordata, subclass Actinopterygii, order Siluriformes, family Siluridae, genus Silurus, species Silurus.

2. Longspine fish

Chinese name, Pelteobagrus fulvidraco. Belongs to the phylum Chordata, class Actinopterygii, order Siluriformes, family Catfish, genus Pelteobagrus, species Pelteobagrus fulvidraco.

2. Different appearance features

1. Catfish

The body is long, the head is flat, and the tail is laterally flattened. The mouth is inferior, the mouth cleft is small, and the end is just below the front edge of the eye. The lower jaw is prominent. The teeth are thin and velvety. The jaw teeth and pear teeth are arranged in a curved band. The pear tooth band is continuous and slightly concave in the middle of the rear edge. The eyes are small and covered with membranes. Adult fish have 2 pairs of 4 barbels. The upper barbels can reach the end of the pectoral fin, and the lower barbels are shorter.

Catfish are slimy and scaleless. The dorsal fin is very small, without spines, and has 4 to 6 fin rays. There is no adipose fin. The anal fin is very long, connected to the caudal fin at the rear end. The body color of catfish is usually dark brown or grayish black, with slightly dark cloud-like spots.

2. Longspine fish

The body is elongated and slightly stout, with the tip of the snout tilted upward toward the dorsal fin and flattened laterally at the back. The head is slightly large and flattened vertically, with most of the dorsal part of the head exposed. The mouth is large, inferior and arc-shaped. The jaw teeth and palatine teeth are velvety and arranged in a ribbon. The front and rear nostrils are far apart, and the front nostrils are short tubular. The nasal barbels are located at the front edge of the posterior nostril, extending to or beyond the rear edge of the eye. There is a pair of jaw barbels that extend backward to or beyond the base of the pectoral fin, and the outer chin barbels are longer than the inner chin barbels. The gill openings are large, extending forward to the ventral surface vertically below the middle of the eye. The gill cover membrane is not connected to the gill isthmus. The gill rakers are short. The dorsal fin is small and has bony spines.

3. Different living habits

1. Catfish

Catfish mainly live in the middle and lower layers of rivers, lakes, reservoirs and ponds, and are mostly active in coastal areas. They hide in grass, under rocks or in deep water during the day and forage frequently at night.

Its prey are mostly small fish, such as whitebait, crucian carp, goby, broadeye, carp, loach, etc. It also eats shrimps and aquatic insects.

It is suitable for living in waters with a temperature of 20 to 25 degrees Celsius.

2. Longspine fish

Yellow catfish live mostly in shallow waters around lakes with slow currents and abundant aquatic plants, and in rivers entering the lake. They live on the bottom of the lake, especially in shallows with still water or slow currents, and in places with abundant humus and mud. They lurk on the bottom of the water or in cracks between rocks during the day, and move around and forage at night.

The yellow catfish is omnivorous and mainly feeds on animal matter under natural conditions. The fry stage feeds on zooplankton, while the adult fish feeds on insects and their larvae, small fish and shrimp, snails and clams, and also swallows plant debris.

Its growth temperature range is 16-34℃, and the optimal range is 22-28℃.

Reference source: Sogou Encyclopedia - Catfish

Reference source: Sogou Encyclopedia - Yellow Catfish

3. What is the difference between catfish and catfish?

Catfish Catfish (Catfish family)

Local name: catfish, catfish.

Morphological characteristics: body elongated, flattened at the rear. Head broad and flat. Mouth inferior. Eyes small. Four pairs of whiskers. Body scaleless, lateral line distinct and relatively straight. Dorsal fin very long, about 2/3 of body length, anal fin also very long, both without hard spines, not connected to the caudal fin. Pectoral fin with saw-like hard spines. Caudal fin rounded. Body brownish black, lighter on the abdomen.

Catfish belongs to the order Siluriformes, family Siluridae, genus Silurus. Common name: catfish, catfish barang. Mud fish.

catfish

Catfish, also known as catfish, is the most widely distributed fish in the catfish family. It is distributed in eastern Russia, North Korea, Japan, and the entire eastern Asia. In my country, it is widely distributed in various eastern water systems and Taiwan Province.

Catfish have long bodies, flat heads and laterally flattened tails. The mouth is small, with the end only reaching below the front edge of the eye (the end reaching the rear edge of the eye is a large-mouthed catfish). The lower jaw is protruding. The space between the teeth is thin and velvety. The jaw teeth and pear teeth are arranged in a curved band. The pear tooth band is continuous and slightly concave in the middle of the rear edge. The eyes are small and covered with a membrane. Adult fish have two pairs of barbels. The upper barbels can reach the end of the pectoral fin, while the lower barbels are shorter. Juvenile fish have three pairs of barbels. When the body length reaches about 60 mm, one pair of chin barbels begins to disappear. Catfish are mucus-rich and scaleless. The dorsal fin is very small, without hard spines, and has 4-6 fin rays. There is no adipose fin. The anal fin is very long, connected to the caudal fin at the rear end. The body color of catfish is usually dark brown or gray-black, with slightly dark cloud-like spots.

Catfish mainly live in the middle and lower layers of rivers, lakes, reservoirs, and ponds, mostly active in coastal areas. They hide in grass, under rocks, or at the bottom of deep water during the day, and usually forage frequently at night. After autumn, they hibernate in deep water active mud, and their feeding level also decreases.

Catfish are bottom-dwelling carnivorous fish. Catfish prey on small fish, such as whitebait, crucian carp, goby, wheatear fish, carp, loach, etc. They also eat shrimp (containing the strongest antioxidant in nature, astaxanthin, abbreviated as ASTA in English) and aquatic insects. Catfish mainly swallow food, and the main function of their teeth is to prevent food from escaping.