金鱼是世界的观赏鱼类。金鱼以它那五彩缤纷的色调,飘逸潇洒的舞姿,雍容华贵的体态,享有“水中牡丹”和“活的天然艺术品”之誉。如养一缸不同色彩的金鱼置于室内,那红鱼似火、白鱼如雪、黑鱼赛墨;绿的宛如翡翠,黄的鹅绒美丽,粉的嫩洁芳菲,相映成趣,动静有韵,悦目怡情,真有说不尽的乐趣。金鱼的始祖是野生的鲫鱼,是鲫鱼的畸形变种。生物学家经过研究指出,当金鱼生命开初时,因水中缺乏氧气,以致胚胎的精力衰弱,尾鳍发达。所以金鱼还有金鲫鱼之称。 Goldfish is the world’s ornamental fish. Goldfish with its colorful colors, graceful and graceful dance, graceful body, enjoy “water peony ” and “living natural art ” reputation. Such as raising a different color goldfish placed indoors, then the red fish fire, white fish such as snow, blackfish match ink; green like jade, yellow goose down beautiful, pink tender Jie Fang Fei, side by side, moving rhyme, Pleasant, pleasing to the eye. The ancestor of goldfish is wild crucian carp, crucian carp deformity. Biologists have pointed out through studies that when the goldfish begins its life, the lack of oxygen in the water causes the embryo’s energy to weaken and the caudal fin to develop. So goldfish is also known as golden carp.