The battle against invasive species is a long and grueling one, but it is winnable. The first step is recognising that the locals on the frontlines are not just individuals fighting a losing battle ...

The number of fish in the polluted water of the Buriganga river decreases during winter, but this time the river is filled with suckermouth catfish as the species, new to Bangladesh, continues to ...

Polluted water keeps fish away from the Buriganga river in normal times, so fishing is a rare sight. But as the water has become relatively clean after monsoon rains, a man fishes in the river ...