Species · Pterygoplichthys pardalis (trade 'common pleco'; also P. disjunctivus, Hypostomus spp.)

Common pleco: tank size, water and tank mates

FLAG: sold at 5 cm but reaches 45-58 cm; very heavy waste producer; not a community-tank fish.

Adult size45 cm (17.7 in)
Minimum tank145 US gal
Temperature23–27 °C (73–81 °F)
pH7–7.5
Temperamentpeaceful
Keep in groups ofAlone or pairs
Swimsbottom
Shrimp & snailsCaution

Limit: no more than 1 per tank. Adults territorial toward other plecos; keep one.

Check a tank with Common pleco

Good tank mates for Common pleco

These species share its temperature range and temperament, with no fin-nipping or predation risk under our rules. Still check your tank size and bioload in the checker.

African butterflyfish · African dwarf frog · Agassiz's dwarf cichlid · Angelfish · Banded archerfish · Banjo catfish · Betta (male) · Black neon tetra · Black phantom tetra · Black ruby barb · Black skirt tetra · Bleeding heart tetra · Bloodfin tetra · Blue acara · Bolivian ram · Bristlenose pleco · Bronze corydoras · Buenos Aires tetra · Bumblebee goby · Celestial pearl danio · Checkerboard barb · Cherry barb · Chili rasbora · Chinese algae eater

Avoid with Common pleco

Common / comet goldfish (temperature) · Convict cichlid (aggression) · Demasoni cichlid (aggression) · Discus (temperature) · Fancy goldfish (temperature) · Jack Dempsey (aggression) · Jewel cichlid (aggression) · Medaka (temperature) · Paradise fish (temperature) · Pea puffer (aggression) · Rosy barb (temperature) · White cloud mountain minnow (temperature)

Sources

Checked 2026-11-09 · confidence: medium. These are cautious community guidelines, not guarantees. Not veterinary advice. Report an error.