Species · Cambarellus patzcuarensis 'Orange'

CPO dwarf crayfish: tank size, water and tank mates

Vulnerable after molting; keep away from fish that can eat it; IUCN Endangered in the wild.

Adult size5 cm (2.0 in)
Minimum tank10 US gal
Temperature19–24 °C (66–75 °F)
pH6.5–8
Temperamentpeaceful
Keep in groups ofAlone or pairs
Swimsbottom
Shrimp & snailsCaution

Check a tank with CPO dwarf crayfish

Good tank mates for CPO dwarf crayfish

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.

Black neon tetra · Black phantom tetra · Bleeding heart tetra · Bristlenose pleco · Bronze corydoras · Celestial pearl danio · Clown killifish · Clown pleco · Dwarf pencilfish · Emerald dwarf rasbora · Emperor tetra · Golden pencilfish · Habrosus corydoras · Harlequin rasbora · Julii corydoras · Kuhli loach · Lambchop rasbora · Lemon tetra · Medaka · Neon tetra · Otocinclus · Panda corydoras · Penguin tetra · Peppered corydoras

Avoid with CPO dwarf crayfish

Agassiz's dwarf cichlid (temperature) · Angelfish (predation) · Bala shark (predation) · Banded archerfish (temperature) · Banjo catfish (temperature) · Black ghost knifefish (predation) · Boeseman's rainbowfish (temperature) · Buenos Aires tetra (predation) · Chili rasbora (temperature) · Clown loach (temperature) · Cockatoo dwarf cichlid (predation) · Convict cichlid (temperature) · Demasoni cichlid (predation) · Discus (temperature) · Electric yellow lab (predation) · Firemouth cichlid (temperature) · German blue ram (temperature) · Jack Dempsey (predation)

Sources

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