The suckermouth catfish originating from South America is swarming waterways in parts of Southeast Asia.  JAKARTA/KUALA LUMPUR: A crowd gathered by the rubbish-strewn banks of the Ciliwung River as workers from the Jakarta Environmental Agency cast their nets into its neck-deep, milky-brown water. Moments later, the nets came up heavy, drawing cheers from about two dozen men, women and children from the neighbourhood. In just two hours on Thursday (Apr 30) morning, the workers netted more than