One, the loach
belongs to the loach family. The body is small, slender, only three or four inches. Body shape round, short, small scales under the skin, color green and black, covered with its own mucus, and thus slippery can not hold. Small demersal fish. Living in the silt bottom of the still or slow-flowing water body, like to inhabit the bottom of the still water, often frequented in lakes, ponds, ditches and paddy fields at the bottom of the silt rich in plant debris surface layer.
Two, silverfish
Silverfish family. The body is elongated, nearly cylindrical, the posterior section is slightly flattened laterally, and the body length is about 12 centimeters. The head is extremely flat, the body is soft and scale-free, the whole body is transparent, and the body is milky white after death. Silverfish is a freshwater fish that can live in the sea, with the habit of migrating from the ocean to the river. It is distributed in the coastal areas from Shandong to Zhejiang, especially in Wabu Lake in Shouxian County, Anhui Province, West Lake in Huoqiu County, Poyang Lake, Chaohu Lake, Taihu Lake, Wushan Lake in Mingguang City of Anhui Province, Daguan Lake in Xiacang of Susong County of Anhui Province, Lake Ma in Leibo County of Sichuan Province, and even Chongming in the mouth of the Yangtze River in Shanghai Province, which are the most abundant.
Three, eel
Collared gill fish family. Body naked lubrication without scales, rich mucus body. Body elongated cylindrical serpentine, body length of about 20-70 cm, the longest up to 1 meter. The body before the round rear lateral compression, tail tip thin, head expanded long and round. Often live in paddy fields, rivers, streams, ponds, canals, lakes and other silty water bottom.
Four, catfish
Catfish. Distinguishing features are the body without scales, body surface mucus, head flat mouth wide, upper and lower jaw have four stripes whiskers. Freshwater catfish are found in a variety of freshwater areas around the world, while saltwater catfish inhabit the vicinity of tropical coasts.
Expanded Information
Scaleless fish are species of fish that are born without scales and with very small scales, and are not alone in having no scales at all. Scaleless fish and scaly fish, just fish species are different, the two in the nutritional value is not very different. Scaleless fish contains high cholesterol, so the elderly and obese people should try to eat less. In addition scaly fish and scaly fish compared to more warm, easy to produce heat, so hot body should eat less, otherwise it will aggravate the symptoms of the disease.
Baidu Encyclopedia - Scaleless Fish
Baidu Encyclopedia - Loach
Baidu Encyclopedia - Silverfish
Baidu Encyclopedia - Eel
Baidu Encyclopedia - Catfish