金丝鱼又名白云山鱼、唐鱼、红尾鱼、彩金线鱼,原产我国广东。金丝鱼长约3-4厘米,体呈纺锤形,细长,稍侧扁,头小,眼大,吻钝圆。鱼的背部为茶褐,略带蓝色,腹部银白色,背鳍和尾鳍鲜红色,腹鳍尖端呈黄色,尾部中央也为红色。从吻端向后沿侧线位置有一条金黄色带纹,直至尾柄末端,此外还有一金色斑点,故得名金丝鱼。 Goldfish, also known as Baiyun Mountain fish, fish, red-tailed fish, golden fish, native Guangdong of our country. Gold wire fish about 3-4 cm in length, body was spindle-shaped, slender, slightly flat side, head small, big eyes, kiss blunt round. The back of the fish is brown, slightly blue, abdomen silver white, dorsal fin and caudal fin bright red, pelvic tip sharp yellow, the tail central is red. From the kiss side to the back along the lateral line position has a golden ribbon, until the caudal pedicle end, in addition to a golden spot, it is named golden fish.