Longliyu has many nicknames, and "pedaling fish" is one of them. Longli fish is the official name, while pedal fish is a common name or another name. This kind of fish has different names in different areas. The popularity of these names Longli fish is different. Longli fish is the most popular name, and it is also the name we usually use to call this kind of fish. The name pedal fish is named after the shape characteristics of Longli fish, which is not as popular as Longli fish.

Longli fish is a kind of fish that we are familiar with and can often be seen in daily life. Arowana belongs to the genus Cynoglossus. Besides the name Longli fish, they have many other names, such as "oxtongue fish", "grouper", "tongue sole fish" and "pedal fish". These names all refer to arowana.