A guide for purchasing plecos Baryancistrussp. (L047)- L047, commonly called the mango pleco, is one of the more rare plecos in the hobby. it needs driftwood in its aquarium, as driftwood is part of its diet. it feeds on many meaty foods. It grows to 11", so a tank of 60 gallons or more is required. it should be fed carnivore pellets or bloodworms. it will also snack on green foods.