Biologists identified the holes as "catfish condos" for invasive armored sailfin catfish, also known as plecos. "These ...
“Dug by the exotic and invasive armored sailfin catfish (aka ‘plecos’ or ‘Plecostomus’), these burrows serve as nesting sites ...
“Dug by the exotic and invasive armored sailfin catfish (aka ‘plecos’ or ‘Plecostomus’), these burrows serve as nesting sites where the catfish protect their eggs and young.” The nests ...