The health of many a Malaysian river is questionable, but it doesn’t get much worse than this: Sungai Tebrau in Johor has become so badly polluted that all marine life, save for a few resilient species of fish, has gone practically extinct in it. The cause of the pollution: the rampant…

Even as we worry about Malayan tigers, Bornean pygmy elephants and orangutans, we should spare a few thoughts to the fate of a much less celebrated group of animals: mussels. That is because several endemic species of mussel are in dire straits, according to scientists from the University of Nottingham…