Puntius sanctus is a species of barb native to a small body of water at Velankanni of Tamil Nadu, India. This species reaches a length of .
References
- https://www.thehindu.com/news/national/kerala/a-silver-fish-from-velankanni/article31671645.ece
- http://www.isisn.org/BR17(1)2020/560-567-17(1)2020BR19-579.pdf