L. jonklaasi was originally described in 1952 by PEP Daraniyagala[REF] as member of the genus Lepidocephalus (synonymous with Lepidocephalichthys).
There are only 12 site records for this species to date; it's elevated between highest 1000 feet at Gilimale and lowest 350 feet at Hiyare, which belongs to southern-west wet zone in Sri Lanka.