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Introduction of male fish head

The male fish is the meaning of the big head fish, namely "fat head fish". The head is very big that, in the water looks more like silver carp, silver carp is silver-white, the big head of the fish black gray, there are spots, Hunan people also call it is a big head of silver carp. The scientific name is "fat head bighead carp" or "bighead carp". Distributed in eastern Asia, China's major waterways have this fish, but to the Yangtze River Basin in the middle and lower reaches of the region as the main place of origin. "The bighead carp has a laterally compressed body, a very large head, a large mouth, a telescopic position, and a slightly upward-sloping lower jaw. The gill rakers are densely paged, but not united. The upper part of the oropharyngeal cavity has conchoidal supra-gill organs, small, low-positioned, beardless eyes, and spoon-shaped hypopharyngeal teeth with smooth surfaces. Scales small, ventral surface only ventral fin and even anus with cortical ventral ribs. Pectoral fins long, terminating well beyond the base of the ventral fin. The upper part of the body is gray-black, the abdomen gray-white, with many small irregular spots of light yellow and black on both sides.