Bristlenose Plecos Are Armored Bottom Feeders The bristlenose plecostomus is a type of catfish from the Loricariidae family.

“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.” ...

Biologists identified the holes as "catfish condos" for invasive armored sailfin catfish, also known as plecos. "These burrows serve as nesting sites where the catfish protect their eggs and young ...

“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.” ...

Armored sailfin catfish are native to South America, but spread to Florida in the 1950s via the aquarium fish trade, experts say.

“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.” ...

Armored sailfin catfish are native to South America, but spread to Florida in the 1950s via the aquarium fish trade, experts say.