Tank mates for emerald green corydoras

We checked emerald green corydoras against all 149 other species in our database for water temperature, pH, size, fin nipping, predation and aggression.

Good tank mates for emerald green corydoras include betta fish, cherry shrimp, nerite snail, guppy, dwarf gourami and neon tetra. Avoid oscar, chinese algae eater and convict cichlid: oscar can eat emerald green corydoras: they're small enough to fit in its mouth once it's grown.

Emerald green corydoras: 22–27°C (72–81°F), pH 6–7.5, adult size 8 cm (3.1 in), minimum tank 55 gallons (208 L). Full emerald green corydoras care guide.

Check a full stocking plan

Good Compatible tank mates (105)

Shared water conditions and no known conflict. Still add fish slowly and watch them.

Caution Possible, with care (29)

These can work in the right setup, but there is a real risk. Read the reason first.

  • Bristlenose pleco · 20+ gal
    • Bristlenose pleco defends its patch of the bottom and may chase emerald green corydoras, which use the same area.
  • Common goldfish · 75+ gal
    • Their temperature ranges barely overlap (only around 22–22°C).
    • One is a cold-water species and the other is tropical, so neither will be at its best.
  • Common pleco · 150+ gal
    • Common pleco defends its patch of the bottom and may chase emerald green corydoras, which use the same area.
  • Fancy goldfish · 20+ gal
    • Their temperature ranges barely overlap (only around 22–23°C).
    • One is a cold-water species and the other is tropical, so neither will be at its best.
  • Tiger barb · 29+ gal
    • Tiger barb nips fins and can stress slow, peaceful fish like emerald green corydoras.
  • Blood parrot cichlid · 55+ gal
    • Blood parrot cichlid is semi-aggressive and may bully much smaller emerald green corydoras.
  • Boesemani rainbowfish · 29+ gal
    • Their temperature ranges barely overlap (only around 26–27°C).
  • Dojo loach · 75+ gal
    • Their temperature ranges barely overlap (only around 22–23°C).
    • One is a cold-water species and the other is tropical, so neither will be at its best.
  • Electric blue acara · 40+ gal
    • Electric blue acara defends its patch of the bottom and may chase emerald green corydoras, which use the same area.
  • Firemouth cichlid · 29+ gal
    • Firemouth cichlid defends its patch of the bottom and may chase emerald green corydoras, which use the same area.
  • German blue ram · 20+ gal
    • Their temperature ranges barely overlap (only around 27–27°C).
    • German blue ram defends its patch of the bottom and may chase emerald green corydoras, which use the same area.
  • Hillstream loach · 20+ gal
    • One is a cold-water species and the other is tropical, so neither will be at its best.
  • Kribensis · 29+ gal
    • Kribensis defends its patch of the bottom and may chase emerald green corydoras, which use the same area.
  • Rainbow shark · 75+ gal
    • Rainbow shark defends its patch of the bottom and may chase emerald green corydoras, which use the same area.
  • Red-tail shark · 75+ gal
    • Red-tail shark defends its patch of the bottom and may chase emerald green corydoras, which use the same area.
  • Rosy barb · 29+ gal
    • One is a cold-water species and the other is tropical, so neither will be at its best.
  • White cloud mountain minnow · 15+ gal
    • Their temperature ranges barely overlap (only around 22–22°C).
    • One is a cold-water species and the other is tropical, so neither will be at its best.
  • Agassiz's dwarf cichlid · 20+ gal
    • Agassiz's dwarf cichlid defends its patch of the bottom and may chase emerald green corydoras, which use the same area.
  • Black ghost knifefish · 125+ gal
    • Black ghost knifefish may eat emerald green corydoras, especially young or small ones.
  • Bolivian ram · 29+ gal
    • Bolivian ram defends its patch of the bottom and may chase emerald green corydoras, which use the same area.
  • Buenos Aires tetra · 29+ gal
    • Buenos Aires tetra nips fins and can stress slow, peaceful fish like emerald green corydoras.
  • Cockatoo cichlid · 20+ gal
    • Cockatoo cichlid defends its patch of the bottom and may chase emerald green corydoras, which use the same area.
  • Dwarf orange crayfish · 10+ gal
    • One is a cold-water species and the other is tropical, so neither will be at its best.
  • Gold barb · 29+ gal
    • One is a cold-water species and the other is tropical, so neither will be at its best.
  • Kissing gourami · 75+ gal
    • Kissing gourami is semi-aggressive and may bully much smaller emerald green corydoras.
  • Paradise fish · 20+ gal
    • One is a cold-water species and the other is tropical, so neither will be at its best.
  • Rubber lip pleco · 29+ gal
    • Rubber lip pleco defends its patch of the bottom and may chase emerald green corydoras, which use the same area.
  • Severum · 55+ gal
    • Severum is semi-aggressive and may bully much smaller emerald green corydoras.
  • Zebra pleco · 20+ gal
    • Their temperature ranges barely overlap (only around 26–27°C).
    • Zebra pleco defends its patch of the bottom and may chase emerald green corydoras, which use the same area.

Avoid Bad tank mates (15)

  • Oscar: Oscar can eat emerald green corydoras: they're small enough to fit in its mouth once it's grown.
  • Chinese algae eater: Chinese algae eater is aggressive and will bully or injure peaceful emerald green corydoras.
  • Convict cichlid: Convict cichlid is aggressive and will bully or injure peaceful emerald green corydoras.
  • Discus: They need different temperatures: Emerald green corydoras 22–27°C (72–81°F), discus 28–30°C (82–86°F).
  • Electric yellow cichlid: Electric yellow cichlid is a Lake Malawi cichlid. It needs a Lake Malawi tank: hard, alkaline water (pH 7.5–8.5), plenty of rockwork and other cichlids from the same lake. Emerald green corydoras don't belong in that setup.
  • Jack Dempsey: Jack Dempsey is aggressive and will bully or injure peaceful emerald green corydoras.
  • Pea puffer: Pea puffer is aggressive and will bully or injure peaceful emerald green corydoras. Pea puffer is best kept in a species-only tank.
  • Peacock cichlid: Peacock cichlid is a Lake Malawi cichlid. It needs a Lake Malawi tank: hard, alkaline water (pH 7.5–8.5), plenty of rockwork and other cichlids from the same lake. Emerald green corydoras don't belong in that setup.
  • Red zebra cichlid: Red zebra cichlid is aggressive and will bully or injure peaceful emerald green corydoras. Red zebra cichlid is a Lake Malawi cichlid. It needs a Lake Malawi tank: hard, alkaline water (pH 7.5–8.5), plenty of rockwork and other cichlids from the same lake. Emerald green corydoras don't belong in that setup.
  • Senegal bichir: Senegal bichir can eat emerald green corydoras: they're small enough to fit in its mouth once it's grown.
  • Demasoni cichlid: Demasoni cichlid is aggressive and will bully or injure peaceful emerald green corydoras. Demasoni cichlid is a Lake Malawi cichlid. It needs a Lake Malawi tank: hard, alkaline water (pH 7.5–8.5), plenty of rockwork and other cichlids from the same lake. Emerald green corydoras don't belong in that setup.
  • Frontosa: Frontosa can eat emerald green corydoras: they're small enough to fit in its mouth once it's grown. Frontosa is a Lake Tanganyika cichlid. It needs a Lake Tanganyika tank: hard, alkaline water (pH 8–9), plenty of rockwork and other cichlids from the same lake. Emerald green corydoras don't belong in that setup.
  • Green terror: Green terror is aggressive and will bully or injure peaceful emerald green corydoras.
  • Jewel cichlid: Jewel cichlid is aggressive and will bully or injure peaceful emerald green corydoras.
  • Shell dweller cichlid: Shell dweller cichlid is a Lake Tanganyika cichlid. It needs a Lake Tanganyika tank: hard, alkaline water (pH 7.5–9), plenty of rockwork and other cichlids from the same lake. Emerald green corydoras don't belong in that setup.

Frequently asked questions

What fish can live with emerald green corydoras?

Good tank mates for emerald green corydoras include betta fish, cherry shrimp, nerite snail, guppy, dwarf gourami and neon tetra. They need similar water and won't fight with or eat emerald green corydoras.

Can emerald green corydoras live with angelfish?

Yes. They share similar water needs (24–27°C (75–81°F)) and peaceful temperaments.

Can emerald green corydoras live with bettas?

Yes. They share similar water needs (24–27°C (75–81°F)) and peaceful temperaments.

Can emerald green corydoras live with bristlenose plecos?

Sometimes, with care. Bristlenose pleco defends its patch of the bottom and may chase emerald green corydoras, which use the same area.

Can emerald green corydoras live with bronze corydoras?

Yes. They share similar water needs (22–26°C (72–79°F)) and peaceful temperaments.

How we decide: we compare each pair's comfortable temperature, pH and hardness ranges, adult sizes, mouth size (who can eat whom), fin nipping, aggression and territory. Read the full method. Data last reviewed 2026-10-13.