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A Gram-stain-negative, aerobic, motile by gliding, rod-shaped and pink-coloured bacterium, designated strain SW-16T, was isolated from the sediment of small stream in the Republic of Korea. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain SW-16T formed a lineage within the genus Pedobacter of the family Sphingobacteriaceae . Phylogenetic analysis also showed that strain SW-16T was most closely related to Pedobacter soli 15-51T (98.0% 16S rRNA gene sequence similarity), Pedobacter humicola R135T (97.5%), Pedobacter suwonensis 15-52T (97.4%), Pedobacter sandarakinus DS-27T (97.0%) and Pedobacter kyungheensis THG-T17T (97.0%). Growth was observed at 10–37 °C (optimum at 30 °C), pH 6–8 (optimum at pH 7) and with 0–2.0 % NaCl (optimum at 0%). The major fatty acids of the bacterial strain were iso-C15 : 0, iso-C17 : 0 3-OH and summed feature 3 (iso-C15 : 0 2-OH and/or C16 : 1 ω7c). The predominant respiratory quinone was menaquinone-7 and the major polar lipids were phosphatidylethanolamine, two unidentified amino lipids, one unidentified phospholipid and three unidentified lipids. The genome size of strain SW-16T was 5.8 Mbp and the G+C content was 38.5 mol%. Based on the results of phenotypic, genomic and phylogenetic analyses, strain SW-16T represents a novel species of the genus Pedobacter , for which the name Pedobacter riviphilus sp. nov. is proposed. The type strain is SW-16T (=KEMB 1602–396T=KCTC 82079T=JCM 34181T).
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