Fish that live in the waters off Antarctica. Sanqu Icefield Fish refers to Sanqu Antarctic Icefield Fish, which belongs to the genus Sanqu Antarctic Icefield Fish of Antarctic Hemiptera and Antarctic Percidae. It is a kind of fish that lives in the offshore waters of Antarctica, with a slightly cylindrical body, a slightly flat head, a pointed mouth and a length of 15-20 cm.

Three de-iced fish are generally distributed in the waters where the seawater temperature is between 4℃ and-1℃, and usually live on the seabed at a depth of 260- 1000 meters.