(Feature Image: A fish catch comprised mostly of invasive Tilapia species downstream Wazairabad barrage in Delhi in June 2023. Bhim Singh Rawat/SANDRP)

A recent CIFRI (Central Inland Fisheries Research Institute) report submitted to NGT is an eye-opening official document about the fish diversity in Yamuna. The report says that overall native fish species have declined sharply in the river not only in number but in size also due to habitat degradation, pollution and increasing presence of invasive fish species.

The report admits that construction of Farakka barrage has led to complete elimination of Hilsa fish in lower segment of river since 2010. Among other recommendations the report has suggested maintenance of continuous flows in the river and addressing sources of pollution.

Indeed, the freshwater fish species are key indicator of health of a river eco-system and the fish diversity in Yamuna has been pushed to brink by the water abstraction, unsustainable riverbed mining activities and ever-increasing pollution of river waters besides other factors.

Continue reading “Yamuna Manthan 051224: Native River Fish Species Facing Extinction” →