香鱼 Plecoglossus altivelis 【xiāng yú 】

香鱼，（学名：Plecoglossus altivelis）是香鱼科、香鱼属鱼类。香鱼体狭长而侧扁，成体香鱼一般体长15～20厘米，大者30多厘米。头小，吻尖，前端向下弯成钩形突起。口大，下颌两侧前端各有一突起，突起之间呈凹形，口关闭时，吻钩与此凹陷正相吻合。上下颌生有宽扁的细齿，前上颌骨、上颌骨和舌上均有齿，口底有囊形粘膜皱褶。除头部外，全身密被极细小网鳞。背鳍后方有一个小脂鳍，与臀鳍后端相对。身体背部青黑色，体侧面由上半部至下半部逐渐带黄色，腹部银白，各鳍皆为淡黄色，脂鳍周围微红色，朐鳍上方有一群黄色的斑点。

百度翻译提供：

Fragrant fish (scientific name: Plecoglossus altivelis) is a fish of fragrant fish family and fragrant fish genus. The fragrant fish is long and narrow and flat on the side. The adult fragrant fish is generally 15 ~ 20 cm long, and the larger one is more than 30 cm. The head is small, the kiss is pointed, and the front end is bent downward into a hook shaped protrusion. The mouth is large, and there is a protrusion at the front end of both sides of the mandible, and the protrusions are concave. When the mouth is closed, the kiss hook coincides with this depression. There are wide and flat fine teeth on the upper and lower jaw, teeth on the anterior maxilla, maxilla and tongue, and cystic mucosal folds on the bottom of the mouth. In addition to the head, the whole body is densely covered with very small net scales. There is a small fat fin behind the dorsal fin, opposite the rear end of the hip fin. The back of the body is bluish black, the side of the body is gradually yellow from the upper half to the lower half, the abdomen is silvery white, each fin is light yellow, the fat fin is slightly red around, and there are a group of yellow spots above the Qu fin.