小黄鱼（学名：Pseudosciaena polyactis）为辐鳍鱼纲鲈形目石首鱼科黄鱼属的鱼类，俗名小黄瓜、厚鳞仔、黄花鱼、大眼、花鱼、古鱼。

本鱼体侧扁，口大，唇橘色。鱼体背部色较深，为黄褐色，腹部金黄色。尾柄细长，尾鳍楔形，与大黄鱼极为相似，背鳍硬棘10-11枚；背鳍软条31-36枚；臀鳍硬棘2枚；臀鳍软条9-10枚；脊椎骨28-30个，体长可达40公分。

Larimichthys polyactis, called the redlip croaker, small yellow croaker, little yellow croaker or yellow corvina, is a species of croaker native to the western Pacific, generally in temperate waters such as the East China Sea and the Yellow Sea. They are benthopelagic feeders that remain in shallow waters above 120 m but avoid brackish conditions. Individual males can reach 42 cm.