雪龙鱼 xuě lóng yú

雪龙是龙鱼的一种。属骨咽鱼科，远在三百五十万年以前的太古石炭纪，隶属Osteoglossidae科的龙鱼便已经开始存在了。雪龙是银龙的白化品种，通体呈雪白色，鳞片质感很强，格外的抢眼，很具观赏性。由于个体非常的少，所以价格也很高。

百度翻译提供：

Snow Dragon is a kind of arowana. It belongs to the osteopharyngeal family. As far as the Archaean Carboniferous 3.5 million years ago, the arowana belonging to the Osteoglossidae family began to exist. Snow Dragon is an albino variety of silver dragon. It is snow white and has strong scale texture. It is particularly eye-catching and ornamental. Because there are very few individuals, the price is also very high.