Whereas they might be smaller than the average five-foot catfish, some pleco species can reach a size of a foot and a half. That — along with a tendency to be easy to care for — means that ...

Maybe it's the word "invasive," but the redclaws ... and the type of armored catfish known as a pleco. "It's quite the hodgepodge of exotic species over there, at least aquatic ones," he said.

The suckermouth catfish (Hypostamus plecostomus), also known as ikan ... Before the proliferation of invasive species in the river, he could catch at least RM2,500 worth of fish in a month ...