There is an ancient book "Qi Xie" (lost text) which records: "Kun moved to Nanming, and the water hit three thousand miles. It was Jiu Wan Li who climbed up and went to rest in June. "
According to ancient classic documents, Kun is a legendary big fish in the North Sea. The name Kun Peng first appeared in "Zhuangzi Xiaoyao Tour", in which Kun Peng became Peng: "There are fish in the north, and their name is Kun. Kunda, thousands of miles away. Become a bird. Its name is Peng. Peng's back is thousands of miles away; Fly away angrily, its wings hang in the sky like clouds. If it is a bird, shipping will migrate to Nanming. Nanming, Tianchi also. "
The size of Kun is unknown; Can become a bird, named Peng, Peng's wings are like clouds on the horizon, Peng migrates to the southern sea with the stormy waves at sea.
Whale profile:
Whales are the largest known marine life. Whale is a large marine mammal with a constant body temperature between 34 and 36.5 degrees. Bare skin and thick subcutaneous fat can keep a constant body temperature and reduce the proportion of the body in water. The external auditory canal is thin, but the hearing is sensitive. Whales can be divided into toothed whales and baleen whales.