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 .Plamoottil, Dr. Mathews. Puntius sanctus, a new fish (cypriniformes: cyprinidae) species from Tamil Nadu, India. Bioscience Research 2020 17(1) P560-567
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