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One, thorns, thorns, species of fish are sparse spot thorns and sting thorns two kinds. The sparse thorns are commonly known as Hua Niang and Shi Bu Mu (Wujiashan) on Hainan Island. It is mainly distributed in various water systems in Baoting County, Hainan Province. Striped thorns, commonly known as golden flower pods (Jinhua?), are distributed in various river basins in the Yangtze River system and in various water systems in Hainan Island. They are common small fish in Guangdong's fresh water, regardless of rivers, rivers, ponds, gorges, and small gutters. It can be seen in the traces, it is only the food of other carnivorous fish, rarely used as food fish. The two kinds of thorns have not yet seen development, utilization, and breeding reports.
Second, the barbed? A barb is a species of more than 5 species (including subspecies) in China: thorn, barbed, Yunnan barbed, long thorn, Chinese barbed and so on.
1, thorns thorns commonly known as green sticks, military fish, yellow juvenile fish, etc., there are information that it is light barbs. There are black spots on the base of the scales on the side of the spines, and there are black edges on the outer edges of their dorsal fins. In some places, they are also known as black-backed spines. The spines prefer to live in clear waters and are omnivorous fish. Aquatic insects and other aquatic organisms. Juvenile fish fed more animal feed. Spawning time is from April to May every year. The southern climate is hot, the temperature is high, and spawning time is slightly earlier. The environment in which water is laid when spawning is required, and the ecological environment must be met when artificial breeding. The growth rate is normal. Body thick meat, delicious taste. It is one of the common economic fishes in the Beijiang and Xijiang river systems distributed in Fujian's Lancang River, Hunan's Lancang River, Zhejiang's Qiantang River and the Pearl River.
2. Barbs? Barbs, like other thorny fish, inhabit rivers. Herbivorous, staple filamentous algae, insects and plant debris. Sexual maturity 3-4 years, spawning time is from April to June, floating eggs. The general growth rate is generally about 1 kilogram body weight and the yield is relatively large. It is an ordinary food fish distributed in the Beijiang River Basin in the Hunan Minjiang River, the Pearl River, and Hainan Island.
3. Yunnan barbs Yunnan barbs are distributed in rivers and lakes in eastern Yunnan.
4, Long stab Long thorns, dorsal fins without hard spines, distributed in various water systems in Taiwan.
5. Chinese Barb? The Chinese barb is a bottom-dwelling fish that inhabits rivers, omnivorous, and staple foods such as animal debris, algae, aquatic insects, and molluscs. Spawning large, meat fat, for the production of important economic fish, distributed in the upper and middle reaches of the Yangtze River and attached water system.
Third, the thorns fish development proposal In the aquaculture species structure adjustment, stabbing class with its delicious meat, high prices, can be cultured and welcomed by the fishermen, but some problems must be clarified in the culture In order to achieve a multiplier effect.
1. The thorn must be recognized. The thorn is originally a wild fish. The time for domestication and culture is not long. The range of culture is not large. The biological characteristics, ecological habits, domestication, breeding, breeding and seedlings Cultivation has not really understood. Due to the common name of different places, even a fish with multiple names or multiple names of fish with the same name is common and easy to confuse. Often, some fishermen, fishermen and fishermen are confused, and the purchase of the wrong fry (cultivar) breed often occurs. Certain negative effects. Therefore, both researchers and farmers must truly understand the thorny fish and distinguish them.
2, thorns can be artificial breeding culture and breeding sting the water must be clear, adequate dissolved oxygen, culture environment should be properly maintained dark. Therefore, the cultured environment (such as ponds) should be close to rivers, such as setting cages in rivers, reservoirs and lakes. The growth rate is closely related to the specifications during the breeding, the quality of the feed, the stocking density, the water temperature and the ecological environment. 3. Research must be conducted on the artificial breeding of thorny fish. One of the keys to larger scale farming is artificial propagation and seedlings. Only if the cultivation is successful can we provide strong and adequate seedlings. According to reports, there are not many breeds that have been successfully bred. Therefore, it is unrealistic to rely solely on rivers and catching seedlings to develop large-scale farming.
The sexual maturity of females and males in stabbing is not synchronized, and the age of sexual maturity differs by 1-2 years. Therefore, when feeding broodstock, in addition to feeding the feed that can meet its growth and development, appropriate flow stimulation and batch injection of hormones are required to spawn in batches.
4. Breeding methods and culture methods are expected to be stinged. There are many species of fish, and the distribution water, individual and market potential are very different. Some thorny fishes with too small specifications can only be used as small trash fish. However, they cannot be studied and discussed as potential food fish species. According to the current data and the status of trials conducted in various regions, the species of thorny fish that can be cultured are: thorns, barbs, and Chinese barbs. (Barbed fish with aquaculture value? The common name, appearance, and distribution of fish are shown in the table below). The culture method should be to do a good job in basic research, domestication, breeding, breeding, seedling cultivation. It is recommended to conduct community trials before large-scale farming, and then to conduct intermediate tests after summarizing experience. The eagerness to promote in large areas is often unpleasant.
Thorn fish species search
A few days ago, Sanjiang Fish and Fish Farm in Lunjiao Town, Shunde City, a polyculture of Xijiang fish, commonly known as the bamboo sticks, has a delicious flesh and high nutritional value, and is well received by consumers. An agricultural park in our city is also planning to carry out artificial breeding, and produce seedlings to supply a large number of fishery farmers. The bamboo bark is a common name for the barb, and is classified as a genus and subfamilies in the classification. There are two genera in our city: the spine and the barb. The common characteristics of these two genera are: the prominence of the snout, the prefrontal position, and the tight lip of the mandible; the main difference is that the sting of the barb is in front of the starting point of the dorsal fin. Spurs are not.