Sewellia is a genus of gastromyzontid loaches native to fast-flowing streams and rivers in Indochina (Vietnam, Cambodia and Laos) and adjacent south China.
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0