, May 26 -- One of Bangladesh's most ecologically significant freshwater wetlands, Tanguar Haor, is facing growing environmental threats from the widespread use of plastic fish traps and what conservationists describe as a lack of effective enforcement against destructive fishing practices.

Spread across nearly 126 square kilometres in Sunamganj's Tahirpur and Madhyanagar upazilas, Tanguar Haor is recognised as the country's second Ramsar site after the Sundarbans and serves as a vital reservoir of biodiversity.

But environmentalists warn that increasing plastic pollution coupled with illegal fishing methods is undermining the fragile ecosystem.

Once home to between 140 and 200 species of indigenous fish, the haor has witnessed a stead...