Species · Caridina cantonensis var. 'Crystal Red' (C. logemanni group)

Crystal red shrimp: tank size, water and tank mates

Caridina note: needs soft, acidic, stable water (usually RO + active soil); not for hard-water community tanks.

Adult size3 cm (1.2 in)
Minimum tank10 US gal
Temperature22–24 °C (72–75 °F)
pH6–6.7
Temperamentpeaceful
Keep in groups of10+
Swimsall
Shrimp & snailsUsually safe

Check a tank with Crystal red shrimp

Good tank mates for Crystal red shrimp

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.

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

Avoid with Crystal red shrimp

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) · Common / comet goldfish (temperature) · Convict cichlid (temperature) · Demasoni cichlid (predation) · Discus (temperature) · Electric yellow lab (predation) · Fancy goldfish (temperature) · Firemouth cichlid (temperature)

Sources

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