North Korea
Checklist of Endemic Marine Fish Species
This list of marine fish species found exclusively in North Korea is based on the taxonomy used in Eschmeyer's Catalog of Fishes (2023). For further details on possible inaccuracies in the list see Sources & Caveats.
Fricke, R., Eschmeyer, W. N. & Van der Laan, R. (eds) 2023 Catalog of Fishes: Genera, Species, References. Version downloaded 9 February 2023 https://researcharchive.calacademy.org/research/ichthyology/catalog/fishcatmain.asp
The current version can be accessed here
Liparis newmani (Perciformes Liparidae)
Additional species endemic to South Korea can be found here and additional species endemic to the Korean Peninsula can be found here