Pitaya, a fish, is edible, and its scientific name is Silurus fuscus, which belongs to Siluriformes and Siluridae in classification. Belonging to tropical and subtropical fish, it is widely distributed in southern China. Also known as pond horn fish and bearded catfish.

There are two common species in China: local pond catfish (catfish with beard) and Egyptian pond catfish (catfish with leather beard and catfish with beard).

distribution range

Mesopotamia Plain, Nile Valley, Indus Valley, Yellow River-middle and lower reaches of the Yangtze River (that is, the Yangtze River and the water bodies south of the Yangtze River, as well as Guangdong, Fujian and other provinces) are widely distributed in southern China.

Extended data:

Silurus meridionalis (local Silurus meridionalis) has a flat and hard head, a wide occipital bone, an elongated body, a cylindrical front part, a flat back part, a wide and flat head, a smooth and scaleless body surface, a slightly lower mouth, and dense villous teeth on the upper, lower jaws and plough bones, forming a dental band.

There are 4 pairs of well-developed tentacles, with obvious lateral lines and relatively straight, but small eyes.

The dorsal fin is very long, accounting for about 2/3 of the body length, and the gluteal fin is also very long, with no hard spines and not connected with the caudal fin.

The pectoral fin is short and round, with well-developed spines, which can defend against enemies and support actions. The side of the pectoral fin is generally grayish brown and yellow, with many grayish-white striped patches and black spots on it. The abdomen is white, and the dorsal fin and ventral fin are particularly extended, ending at the base of the caudal fin, which is circular and fan-shaped.

Brown body; The abdomen is shallow.