As for Ulleung-do intertidal zone, there have been few
investigation in the intertidal zone since the ‘study on
seasonal changes in benthic invertebrate in the intertidal
zone of Ulleung-do and Dokdo (Cha JaeHun, Je JongGil
and Kim GiTae, 1999).’ As a result of investigating 3 spots
of intertidal zone in Ulleung-do through this joint
investigation, total 24 species of benthic invertebrates
including 3 species of cnidarian, 14 species of mollusks, 3
species of arthropod and 4 species of echinoderm were
observed in Tonggumi Mongdol Coast, and 2 species of
cnidarian, 5 species of mollusks, 5 species of arthropod and
1 species of echnioderm in Geobuk Bawi. 2 species
including Monodonta perplexa and Chlorostoma argyrostoma
turbinatum were observed in rocks of Jeodong Harbor. It is
expected that various kinds of benthic invertebrate will be