Chinese name Black-spotted water snake common name alias English name Mangrove Water ake Latin scientific name Enhydris be etti is geographically distributed in Fujian, Hongkong, Hainan, Chinese mainland and Indonesian Java Island. Hainan and Fujian are relatively rare, while Hong Kong is more. The mode of reproduction is viviparous. Habitual life in alkaline water or semi-alkaline water in coastal estuaries. M Smith (1943) reported that Haikou No.3 specimen was caught by fishermen in Qiongzhou Strait. The Biology Department of Fujian Normal University (1974) reported that the specimens of Zhaoan and Minhou in Fujian lived in paddy fields, ponds and ditches. SJ Karsen et al. (1986) reported that there are quite a lot of intertidal wetlands in or around mangrove forests in Deep Water Bay, Hong Kong, which are active during the day and night. The length of physical features can reach 65 cm. The back is dark gray, with dark brown irregular markings on both sides of the midline, four rows of white on both sides of the dorsal scale, and the upper and lower edges of the first and fourth rows are gray-black, and jagged lines are formed on the upper and lower edges of the white belt; The ventral surface is white, the outer edge of scales is dark gray, and there are black spots in the center of ventral scales. The body is cylindrical and the tail is very short. The nasal scales are single, the left and right nasal scales are tangent, and the nostrils are in the posterior position; Small eyes, 1 preorbital scales, 2 suborbital scales; The dorsal scale is smooth, and the ventral scale146 ~169; Anal scale dichotomy; Subcaudate scales 4 1 ~ 57 pairs. Edible feed on fish.

Mud snake, also known as water snake, is a unique snake species in Yunnan, distributed in the south of the Yellow River. In recent years, in the development of game food, it is found that its meat is tender and nutritious, and it is almost exhausted in many places. Developing artificial breeding is a good way to start a business in rural areas.

1, main features. Water snakes have low toxicity, live in water for many years, have a small head and a big belly, are sexually mature for two years and are viviparous. Calving period is from April to July. The weight of commercial snakes is above 1.50g, and the largest individual is above 750g. It likes deep silt environment, can grow in harsh and heterogeneous environment, and has miscellaneous eating habits. Wild snakes mainly feed on small fish and shrimp.

Chinese name of fishing snake

Common name alias arrow-nosed water snake

Distribution: Southeast Asia. Habitat in slow-flowing acidic fresh water.

The feeding method is oviparous snake species, with about 5 ~ 13 young snakes each time.

Habitual this kind of snake looks strange, it is a kind of back ditch snake, and its toxicity is slight. The fleshy growth in the mouth and nose can be used to lure shrimps to the door, and then quickly open their mouths to bite and inject venom. Snake fishing can continue diving for 6 minutes before breathing; Spend the dry season by burying in the mud.

The maximum body length is about 70 ~ 100 cm. This light brown aquatic snake has two tentacles-like growths on its angular head, which is easy to identify. No other snake species with similar appearance can be found in the world. The scales of fishing snakes are convex and the scales on the ventral side are thinner and thinner, which greatly reduces their mobility on land.