The Plecostomus Catfish is a tropical, freshwater fish. The Plecostomus Catfish is commonly called the suckerfish because of their mouth- a notable characteristic. Plecostomus are frequently seen in many aquariums because their algae eating habits which may can help with cleaning and maintenance. Another catfish great for controlling algae in aquariums is the Tiger-Banded Peckoltia. There are many species that belong to the catfish family. You care for most species of catfish the same way. Catfish are very diverse in color. The suckerfish does well with other fish, but the one drawback is the suckerfish doesn’t do well with other suckerfish. If two plecos are introduced to one another as a juveniles and grow up together, the tolerance is there. But these fish lose tolerance as they mature; therefore, adults shouldn’t be introduced together. Catfish shouldn’t be housed with very aggressive tank mates. Catfish should be kept in large tanks with a fine gravel or soft, sand substrate flooring. This aquarium should also contain much plant life as well. Live plants are preferable as the catfish is omnivorous. Plecostomus Catfish are nocturnal. Even artificial plants provide the dim lighting and shade the catfish prefers. . There are many species that belong to the catfish. You care for most species of catfish the same way. Catfish are very diverse in color. Most catfish prefer a slightly acidic to neutral pH water alkalinity at room temperature.