Catfish, the animal kingdom-Chordata-Chordata subfamily-Actinidia-Siluriformes-Siluridae-Siluridae-Catfish species. There are ***4 beards on the mouth, long on the top and short on the bottom. They are carnivores, mostly wild, and have low requirements for water quality. They can be cultured artificially. The growth rate is faster, and some varieties can grow to a large size.
Catfish, animal kingdom-Chordata-Chordata subfamily-Actinidia-Silurus-Silurus-Silurus-Silurus-Silurus-Silurus. Similar in appearance to catfish, it also has four whiskers, but its mouth is particularly large, and the individual is much larger than catfish. It can be cultivated artificially and has a fast growth rate. The fry propagated in that year can grow to 500-750g in that year,1500-2000mg in the second year and 3000-4000mg in the third year. Most of the catfish sold in the market are this kind of catfish, the meat is relatively ordinary and the price is cheap.
Bearded catfish, local bearded catfish, also known as pond fish and pond fish. Animal kingdom-Chordata-Chordata subfamily-Kiwi-Silurus-Silurus-Silurus-Silurus-Silurus-Silurus-Silurus-Silurus. Eight beards, four above and four below. The body color is yellow, the growth of wild fish is slow, and the general weight is not more than 1 kg, which has high nutritional value and good taste. It can be cultivated artificially and has great market potential.
Catfish with leather beard, also known as Egyptian beard catfish and Egyptian pond fish, was introduced from Egypt. Animal kingdom-Chordata-Chordata subfamily-Kiwifruit-Siluriformes-Siluridae-Siluridae-Siluridae. Eight whiskers, black all over, huge individual. Most of them are cultivated artificially, and the growth rate is very fast, which can weigh up to 2 kilograms a year, and the largest individual can reach more than 10 kilograms. It has low requirements for domestic water quality and is resistant to hypoxia. The meat quality is not very good and the market price is cheap. However, it is easy to breed and grows fast, and many people breed it.
gingkgo
catfish
Latin scientific name
catfish
Another name
Tanglouse, silver carp, sticky fish, pond fish, raw fish, live fish.
boundary
animal kingdom
door
Chordata
The largest animal in the world.
Listen to the appearance characteristics of pronunciation
Long body, flat head and flat tail.
Under the mouth, the mouth fissure is small, and the end only reaches below the anterior margin. Mandibular protrusion. The teeth are thin and fluffy, and the jaw teeth and pear teeth are arranged in arc bands. The tooth bands of pear bones are continuous, and the middle part of the trailing edge is slightly concave.
***4 sheets
catfish
Small eyes and thick skin. Adult fish have 2 pairs of 4 whiskers, the upper jaw can reach the end of pectoral fin and the lower jaw is short. There must be three pairs in the larval stage, and it is 1 when the body length is about 60 mm
***3 sheets
catfish
The chin must start to disappear.
Catfish are sticky and have no scales. The dorsal fin is very small, without spines, with 4 ~ 6 fins. Fat-free fin The anal fin is very long, and the rear end is connected with the caudal fin. Catfish are usually dark brown or gray-black, with slight dark cloud spots.