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金鱼是野生鲫鱼的变种,我国是世界上饲养金鱼最早的国家,经国内外几百年的不断选育,目前金鱼已成为品种最多,饲养最广泛的观赏鱼类。金鱼一般分为草种、文种、龙种、蛋种和龙背种等品系,当前对金鱼进行繁殖过程中,一般是让其自产或用人工观察,发现发情立即捞出,人工挤压,使其
Goldfish is a variant of wild crucian carp. China is the earliest country to raise goldfish in the world. After several hundred years of continuous breeding at home and abroad, at present, goldfish has become the most widely ornamental fish. Goldfish are generally divided into grass species, species, dragon species, egg species and dorsal species and other species, the current breeding process of goldfish, the general is to let their own production or use of artificial observation and found estrus immediately remove, artificial extrusion Make it