墨蝶尾 Butterfly 【mò dié wěi 】

墨龙睛蝶尾鱼是金鱼品种，通体漆黑如墨，尾鳍发达，既宽且薄，鳍条挺拔，张开后似孔雀开屏，又如蝴蝶尾，游姿端庄大方，特取名“黑牡丹”。

The black dragon eye butterfly tail fish is a goldfish species. Its whole body is as dark as ink. Its tail fins are developed. It is wide and thin. Its fins are straight and straight. After opening, it looks like a peacock and a butterfly tail. Its swimming posture is dignified and generous. It is specially named 银行卡Black Peony银行卡.