The
genus Sewellia has made the hillstream loach popular in the hobby. The splendid Sewellia lineolata is named also ornate hillstream loach. It should be noted that S. lineolata is endangered according to the
IUCN Red List of Endangered species. However, there are more beautiful species in the genus which are imported now and then. Sadly it is often not possible to determine them exactly. One of the latter species is called SEW 04 among aquarists specialized in loaches. It may represent the described species
Sewellia breviventralis. It should be noted that S. breviventralis is endangered according to the
IUCN Red List of Endangered species.