About Gangaichthys indonepalicus:
- It is a new species of earthworm eel.
- It is a tiny, colourless underground fish found living beneath the Indo-Gangetic Plain in Bihar.
- It appears to have evolved several adaptations to survive in complete darkness.
- It is the first subterranean, or stygobitic (living underground, beneath the surface of the soil or rock), fish recorded from the Gangetic Basin.