玛瑙也作码瑙、马瑙、马脑等，是玉髓类矿物的一种，经常是混有蛋白石和隐晶质石英的纹带状块体，硬度6.5-7度，比重2.65，色彩相当有层次。有半透明或不透明的。原形态三方晶系。常呈致密块状而形成各种构造。

此藏品是一件天然形成，藏品十分精致，层次分明，纹理自然。宽19.2厘米，高14.3厘米。兽头圆瞪着大眼，目视前方，似乎在寻找和窥探着什么，突出了鱼首的色彩和造型美。

鱼是自然界中的精灵，品种繁多，它是我国民间艺术作品中最为常见的形象之一,鱼是自然界中的精灵，品种繁多，它是我国民间艺术作品中最为常见的形象之一,最为常见的就有“年年有余”、“吉庆有余”之意，寄托着人们对于美好生活的向往和追求

此青色码碯鱼首保存完整，形制天然，全部码碯，内质纯净，鱼首高昂，形态逼真，魚嘴鱼腮鱼翅清淅，实乃世间罕有之珍品。真可谓:皇家园林，君临天下，拥十二獣首；朝野臣民，年年有余，拜鱼首足也

Agate is also used as code onyx, onyx, horse brain, etc. It is a kind of chalcedony minerals. It is often a banded block mixed with opal and cryptocrystalline quartz. The hardness is 6.5-7 degrees, the specific gravity is 2.65, and the color is equivalent. There are levels. There are translucent or opaque. The original form of the trigonal crystal system. It is often dense and massive and forms various structures.

This collection is a natural formation, the collection is very delicate, layered, and natural texture. It is 19.2 cm wide and 14.3 cm high. The beast's head was round with wide eyes, looking forward, as if looking for and spying something, highlighting the color and beauty of the fish head.

Fish is a fairy in nature, with many varieties. It is one of the most common images in China's folk art works. Fish is a fairy in nature with many varieties. It is one of the most common images in China's folk art works. It means "more than every year" and "more than auspicious celebrations", which entrusts people's yearning and pursuit for a better life

The head of this cyan coded fish is intact and natural in shape. All the coded fish have pure inner quality. The fish head is high and the shape is lifelike. The fish mouth, fish gills and shark fins are clear. It is a rare treasure in the world. It can be said that the imperial garden, the king over the world, has twelve veteran heads;