Species · Ancistrus sp. (cf. cirrhosus, 'common bristlenose')

Bristlenose pleco: tank size, water and tank mates

Best small 'algae pleco'; needs driftwood and caves; produces a lot of waste.

Adult size12.5 cm (4.9 in)
Minimum tank30 US gal
Temperature23–25 °C (73–77 °F)
pH6.5–7.5
Temperamentpeaceful
Keep in groups ofAlone or pairs
Swimsbottom
Shrimp & snailsUsually safe

Check a tank with Bristlenose pleco

Good tank mates for Bristlenose 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 · Amano shrimp · Angelfish · Assassin snail · Betta (male) · Black neon tetra · Black phantom tetra · Black ruby barb · Black skirt tetra · Bleeding heart tetra · Bloodfin tetra · Blue acara · Bronze corydoras · Buenos Aires tetra · Bumblebee goby · Celestial pearl danio · Checkerboard barb · Cherry barb · Cherry shrimp · Clown killifish · Clown pleco · Colombian tetra · Congo tetra

Avoid with Bristlenose pleco

Agassiz's dwarf cichlid (temperature) · Boeseman's rainbowfish (temperature) · Common / comet goldfish (temperature) · Convict cichlid (temperature) · Demasoni cichlid (aggression) · Discus (temperature) · Fancy goldfish (temperature) · Firemouth cichlid (temperature) · German blue ram (temperature) · Jack Dempsey (aggression) · Jewel cichlid (aggression) · Medaka (temperature) · Moonlight gourami (temperature) · Paradise fish (temperature) · Pea puffer (aggression) · Rosy barb (temperature) · Threadfin rainbowfish (temperature) · White cloud mountain minnow (temperature)

Sources

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