[4] It is a lentic-breeding species similar to the Korean salamander (H. leechi) but is distinguished by factors including tail shape and dorsal coloration.

Its scientific name honours Suh-Yung Yang, a Korean herpetologist.

[2] Hynobius yangi inhabits hilly forest areas.

Egg sacs are attached to water plants or fallen branches.

[1][2] IUCN has assessed Hynobius yangi as "Endangered" because of its small distribution area and continuing habitat loss.