India, Dec. 25 -- The channel linking Dorabeel wetland with the Kulsi river at Kukurmara has nearly dried up, raising serious concerns over the survival of the endangered Gangetic river dolphin.

According to a report by The Assam Tribune, the 700-metre-long channel has seen a sharp decline in water flow velocity, leading to a complete halt in fish migration from the wetland to the Kulsi river. The disruption has put the dolphin population at risk, as the confluence-locally known as Janarmukh-traditionally provides year-round food availability.

The report said dolphins frequent the confluence as fish migrating from Dorabeel become disoriented due to countercurrents, making them easy prey. The site also attracts tourists throughout the ye...