High grade. According to the query health network, the golden eye perch commonly known as perch shark, is one of China's four major freshwater fish, golden eye perch generally refers to the Nile River sharpnose perch. Nile perch is a genus of sharp-nosed perch in the family of sharp-nosed perch. The Nile perch can weigh up to 200 kilograms and be up to 2 meters long. The Nile perch, also known as the Nile perch, has a silver-colored body with a hint of blue. The Nile perch is an aggressive, predatory freshwater fish native to the Nile River basin.