Jasaneobo is the first fishery academic writing in Korea that Jung Yak-jeon wrote that this book was the start of fishery history of Korea.

When Jung Yak-jeon was exiled to Heuksan-do of Jeolla-do in 1814, he wrote this book.

It classified various fishes and aqua-plants found in the Heuksan-do area into ones with scale, without scale, hard shell,and miscellaneous types (aqua-organism not fish) to explain the total of 155 types of organisms.

Among them, the miscellaneous types were further divided into sea insects, birds, animals, and plants and this type of systematic classification was highly assessed.

He researched fishes of Korea with the first naming for many with his great research accomplishment.