The Fast Way to Drain a Fish Farm : Let the Machine Do It

A dense black mass spotted in a Canberra Street canal on Dec 10 turned out to be a swarm of sagor catfish — a marine species native to Singapore. But what exactly are sagor catfish, and why were so many of them gathering in one place? CNA asked experts. PS: If you’re wondering whether they’re edible, anglers typically throw them back. They’re said to smell and taste like dirty drains. And there’s another reason to keep your distance: sagor catfish have venomous spines on their fins. Their stings