Tangren is a kind of edible fish, whose scientific name is Silurus fuscus, and it belongs to Siluriformes and Siluridae in classification. It belongs to tropical and subtropical fish and has nothing to do with sharks. Widely distributed in southern China, it is not only a nutritious consumer product, but also a tonic with medicinal value.

Taxonomically, it belongs to CYPRINIDAE, Siluridae. The body length is generally more than 20 cm, and the weight150 ~ 250 grams, the maximum is about 500 grams. Generally speaking, the body length of pond fish is more than 20 cm, and its weight is1.5 ~ 2.5 kg. The pond fish is a wild fish, which lives in the lower reaches of rivers, fields, pits and ditches. Sexually fond of crowds, gluttonous, mainly eating animal bait, such as insects, small miscellaneous fish, shrimp, shellfish, etc., and also like to eat blood (such as pig blood, the blood of slaughtered pigs flows into the pond, and the pond will grow very big), feces, meat (including people), which grows rapidly. Some people used to eat it.

Tangren

More than 10 fingerlings weighing several kilograms 10 were caught in the septic tank.

On the afternoon of July 20 1 11,villagers in Qitou Village, Shawan Town, Panyu District, Guangzhou, caught four giant pond lice about one meter long in the pond in front of the village ancestral hall. The fish head is almost as big as a human head, and even the beard on the mouth is as thick as chopsticks. It is actually more than one meter long and weighs almost 40~50 kg.