Common Pleco

The Common Pleco is a sturdy, armored bottom-dwelling catfish with a strong suckermouth and mottled brown patterning. Small juveniles can look suitable for modest aquariums, but fish sold under this common name become substantial adults. Plan its permanent home around adult size from the start.

Available sizes

• 5–7 cm — $10.00

Listed measurements are approximate sale sizes, not adult sizes.

Aquarium setup

Common plecos frequently grow beyond 40 cm, depending on the species. They need a very large, mature aquarium with enough width to turn comfortably, strong filtration, and generous swimming and resting space. Provide large smooth shelters and securely placed wood or rocks. A practical tropical temperature range is 23–27°C (73–81°F), with stable water quality and good oxygenation.

Diet and feeding

Offer a varied diet of sinking pleco foods, vegetable matter, and suitable protein foods. Increase portions as the fish grows and remove leftovers. Aquarium algae and scraps from other fish are not enough to support long-term health.

Compatibility

Best considered for spacious displays with suitable, robust companions. Large plecos can be territorial with other bottom-dwellers, and their movement may uproot delicate plants. Provide separate resting areas and monitor food competition.