Southeastern Korean Peninsula




J. Hales


Korea, Republic of

Major Habitat Type

Temperate coastal rivers

Drainages flowing into

Sea of Japan, Korea Strait



This ecoregion includes the rivers of the Korean Peninsula draining to the southern and southeastern coasts. It includes the South Korean islands of Ulluengdo and Jejudo, and the Japanese island of Tsushima.

Description of endemic fishes

11 species plus more that are only shared with the Eastern Yellow Sea Drainages [638]

Justification for delineation

Delineations were determined using a bottom-up approach that employed both published and unpublished field data and expert assessment (Abell et al. 2008; Kim 1997). This ecoregion was distinguished by its fauna and zoogeography (M. Kottelat pers. comm. 2006).


  • Abell, Robin,M.L. Thieme,C. Revenga,M. Bryer,M. Kottelat,N. Bogutskaya,B. Coad,N. Mandrak,S.C. Balderas,W. Bussing,M.L.J. Stiassny,P. Skelton,G.R. Allen,P. Unmack,A. Naseka,R. Ng,N. Sindorf,J. Robertson,E. Armijo,J.V. Higgins,T.J. Heibel,E. Wikramanayake, (2008). "Freshwater Ecoregions of the World: A New Map of Biogeographic Units for Freshwater Biodiversity Conservation" BioScience 58 (5) pp. 403-414.
  • Kim, I.-S. (1997) Illustrated encyclopedia of fauna and flora of Korea; Vol 37: Freshwater fishes The National Textbook Company Ltd : Korea