Abstract A new species of torrent catfish, Liobargus hyeongsanensis, is described from rivers and tributaries of the southeastern
coast of Korea. The new species can be differentiated from its congeners by the following characteristics: a small size with
a maximum standard length (SL) of 90 mm; body and fins entirely brownish-yellow without distinct markings; a relatively
short pectoral spine (3.7–6.5 % SL); a reduced body-width at pectoral-fin base (15.5–17.9 % SL); 50–54 caudal-fin rays;
6–8 gill rakers; 2–3 (mostly 3) serrations on pectoral fin; 60–110 eggs per gravid female.
Key words: Amblycipitidae, Liobagrus hyeongsanensis, New species, Endemic, South Korea
Abstract A new species of torrent catfish, Liobargus hyeongsanensis, is described from rivers and tributaries of the southeasterncoast of Korea. The new species can be differentiated from its congeners by the following characteristics: a small size witha maximum standard length (SL) of 90 mm; body and fins entirely brownish-yellow without distinct markings; a relativelyshort pectoral spine (3.7–6.5 % SL); a reduced body-width at pectoral-fin base (15.5–17.9 % SL); 50–54 caudal-fin rays;6–8 gill rakers; 2–3 (mostly 3) serrations on pectoral fin; 60–110 eggs per gravid female.Key words: Amblycipitidae, Liobagrus hyeongsanensis, New species, Endemic, South Korea
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