Limnichthys koreanus sp. nov. A holotype, MABIK PI00060703 (PKU 63120), 37.3 mm SL, Moseulpo B paratype, MABIK PI00060704 (PKU 63121), 38.4 mm SL, Moseulpo C paratype, MABIK PI00060705 (PKU 63122), 40.0 mm SL, Moseulpo D paratype, PKU 21528, 34.5 mm SL, Moseulpo E paratype, PKU 21529, 33.6 mm SL, Moseulpo F paratype, PKU 21530, 33.4 mm SL, Moseulpo G paratype, PKU 22626, 33.8 mm SL, Seongsanpo H paratype, PKU 22627, 35.7 mm SL, Seongsanpo. Scale bars indicate 10 mm. Left images showing lateral views; right images showing dorsal views. Voucher numbers are annotated in the bottom right corner of each image. Scale bars: 10 mm.