The giant salamander is three to four centimeters long and has a flat side. It lives in ponds, ditches and rice fields and is good at eating prey. China, Korea and Japan. Also known as "medaka".

The giant fish is a kind of fish in CYPRINIDAE. Its origin is mostly in tropical and subtropical swamps and streams in South, North America and Africa, and it is a small ornamental fish. There are many kinds of giant salamander, including oviparous giant salamander and oviparous giant salamander in a broad sense. The suitable water temperature environment is 18 to 26 degrees Celsius, and generally should not exceed 30 degrees Celsius.