The Malabar Leaffish (''Pristolepis marginata'') is a species of

freshwater Fresh water or freshwater is any naturally occurring liquid or frozen water containing low concentrations of dissolved salts and other total dissolved solids. Although the term specifically excludes seawater and brackish water, it does include ...

fish in the family

Pristolepididae ''Pristolepis'' is a genus of fish in the family Pristolepididae sometimes classified in the order Anabantiformes native to freshwater habitats in Southeast Asia and India's Western Ghats. This genus is the only member of its family, a family wh ...

.https://www.seriouslyfish.com/species/pristolepis-marginatus/ It lives in the Western Ghats in India.

References

Pristolepididae Fish described in 1849 {{Rayfinned-fish-stub