They are also home to the world's most desirable aquarium fish, the arowana (Scleropages formosus).    From Wordnik.com.  [Borneo peat swamp forests] Reference

One of the most desirable and rare aquarium fish, the arowana (Scleropages formosus), is found in deep pools in peat swamp rivers.    From Wordnik.com.  [Borneo peat swamp forests] Reference

One of the best known fish species in the hotspot is the dramatic Asian bony tongue or golden arowana (Scleropages formosus, EN), a highly prized aquarium fish that can sell for thousands of dollars per animal.    From Wordnik.com.  [Biological diversity in Sundaland] Reference