CNA938 Rewind - The mystery of the moving black mass: Singapore's sagor catfish explained
If you live in the Yishun-Sembawang district, you might have recently seen a strange black mass travelling in from the sea via a Canberra Street canal. Experts shared with CNA that the fish were likely sagor catfish – a marine species from the Ariidae family native to Singapore and other countries in the region. Daniel Martin learns more from Dr Jeffrey LOW, Senior Manager, National Biodiversity Centre (Coastal and Marine).