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狗鱼是鲑形目、狗鱼亚目、狗鱼科的唯一属。共5种,2亚种。中国有2种,即黑斑狗鱼和白斑狗鱼。俗称:狗鱼、鸭鱼。体延长,稍侧扁。口裂极宽大,约为头长的一半,齿发达锐利。背鳍及臀鳍位靠后并相对,体侧有斑。栖息于北半球寒冷地区的淡水水域,我国产于黑龙江流域及新疆额尔齐斯河流域。狗鱼性凶猛,幼鱼即捕食其他鱼类的鱼苗或幼鱼。狗鱼生长快,肉质细嫩洁白,味道鲜美,是很好的经济食用鱼类。因口味极佳,成为钓鱼的好对象。
Dogfish is a salmon-shaped head, dogfish suborder, the only genus of Pomaceae. A total of 5 species, 2 subspecies. There are 2 species in China, namely pike and pike. Commonly known as: dog fish, duck fish. Body extension, slightly flat side. Cracked very large, about half the length of the head, teeth developed sharp. Dorsal fin and anal fin behind and relative, body side spots. Habitat in the northern hemisphere cold waters of freshwater waters, I produced in Heilongjiang River Basin and Xinjiang Irtysh River. Dogfish are ferocious, juveniles prey on fry or juveniles of other fish. Dogfish grow fast, delicate white meat, delicious, is a good economic food fish. Because of its excellent taste, it is a good target for fishing.