They were seen clinging to the embankment slopes of the regulator-end on Thursday. There were three schools (groups) of esoteric, snake-like creatures, very visible and lined up with their heads poking from the Sukhna’s brimming beauty. The monsoons revealed one such species, otherwise known to dwell at the bottom and among submerged rocks. However, the researchers know these reclusive species, but to an extent. *Many fish species of the Sukhna lake have not been seen by common citizens, dead or alive.