(Neolissochilus subterraneus)
Neolissochilus subterraneus is a species of cyprinid cavefish that is endemic to the Tham Phra Wang Daeng cave within Thung Salaeng Luang National Park, Phitsanulok Province in Thailand. The genus name derives from the Greek words "neos", "lissos", and "cheilos"; they mean new, smooth, and lip respectively.