From the Sarayu River, 1223mm TL is the largest recorded according to this paper.
Kumar, A., Dwivedi, A.C. & Thakur, V.R. (2023). The record of the largest Fresh water Shark, Wallago attu (Bloch & Schneider, 1801) from
the Sarayu river, Uttar Pradesh, India. Journal of the Kalash Science, 11, Number-(2) : 21-23.
www.kalashj.com
https://www.researchgate.net/profile/Am ... -India.pdf
The Fresh water Shark, is a very fast growing catfish species belonging to order Siluriformes and family Siluridae, it is commonly known as Helicopter catfish which mostly prefers the riverine ecosystem. ...
...Total 70 fishes were examined for the present study. The minimum total length was recorded 30.0 cm and weight 227 gm while maximum total length was observed 122.3 cm and weight 10029 gm (Plate 1).