Salmon Fish
Giant salamander, commonly known as giant salamander, belongs to the phylum Chordata, class Amphibia, and order Vrodtla in taxonomy. Cryptobranchidae. Cryptobranchidae includes 2 genera and 3 species: Andrias and Cryptobranchus. The genus Cryptobranchus includes Andrias japonicas in Japan and Andrias davidianus in China. ), and the genus Cryptobranchus is the American Cryptobranchus alleganniesis, commonly known as Hellbender, which is distributed in North America.
, Chongqing and other provinces and cities mostly. Among the three species of giant salamanders, the Chinese giant salamander is the largest, with a body length of up to 1.8 meters and a weight of more than 100 kilograms. The giant salamander originated in the Devonian era 350 million years ago and is known as a "living fossil". It is the only amphibian currently known. It is the largest species of animals in China and is a Category II wild protected animal in China. It has high scientific research, nutritional, edible and medicinal values.
2. Japanese salamander
Japanese salamander is mainly distributed in mountainous rivers from Wanshu to western Gifu, Shikoku and Kyushu. The body is large, with a total length of about 60 centimeters, up to 1.5 meters in length, and a weight of 45 kilograms. The north side of the body is often grey-brown, mostly mottled, with small eyes; large clefts in the mouth; there are many warts and trunks on the back. It has a long, cylindrical shape with thick skin folds on both sides; its hands and feet are fat, short, and flat; its tail is short. Live in the upper reaches of rivers and mountain streams with clear water quality. The spawning season is from late August to late September every year. Generally, a mature female salamander lays 400 to 500 eggs. The eggs are yellow and 5 mm in diameter. According to reports, Japan has achieved success in the artificial growth and ecological growth of the Japanese giant salamander.
3. American salamander
American salamander is mainly distributed in streams in the eastern United States from New York to Mississippi, and westward to Missouri, the Appalachian Mountains and the Ozark Mountains. American salamanders are generally the smallest, with a maximum body length of 0.74 meters and a weight of 1.8 to 2.3 kilograms. The structure is similar to that of Japanese salamander and Chinese salamander. The main difference in shape is that it has a pair of gill slits or one on the left side. The back of the body is brown or gray with many dark patterns. The ventral surface is lighter in color and the head is large and Flat. Feed on animal bait such as river crabs and fish. The spawning season is around September. Generally, a mature female salamander lays about 300 eggs. There are currently no reports on the salary growth of American salamanders.
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