Map showing sampling sites and distribution of Limnichthys spp. Each color marks indicate each species: Red marks and arrow showing collected location of Limnichthys koreanus sp. nov.; pink marks showing L. fasciatus, which is anti-equatorial species, and yellow star mark showing the type locality of L. fasciatus; blue marks showing Limnichthys marisrubri in the Red Sea; purple marks showing L. nitidus in Indo-Pacific Ocean; orange marks showing L. orientalis in Japan; yellow marks showing L. polyactis in New Zealand; green marks showing L. rendahli in New Zealand.