Tank mates for black neon tetras

We checked black neon tetras against all 149 other species in our database for water temperature, pH, size, fin nipping, predation and aggression.

Good tank mates for black neon tetras include betta fish, cherry shrimp, nerite snail, guppy, dwarf gourami and neon tetra. Avoid angelfish, common goldfish and oscar: angelfish can eat black neon tetras: they're small enough to fit in its mouth once it's grown.

Black neon tetras: 23–27°C (73–81°F), pH 5.5–7.5, adult size 4 cm (1.6 in), minimum tank 20 gallons (76 L). Full black neon tetra care guide.

Check a full stocking plan

Good Compatible tank mates (97)

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

Caution Possible, with care (25)

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

  • Fancy goldfish · 20+ gal
    • Their temperature ranges barely overlap (only around 23–23°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 black neon tetras.
  • Blood parrot cichlid · 55+ gal
    • Blood parrot cichlid is semi-aggressive and may bully much smaller black neon tetras.
    • Blood parrot cichlid defends its patch of the tank and may chase black neon tetras, which use the same area.
  • Boesemani rainbowfish · 29+ gal
    • Their temperature ranges barely overlap (only around 26–27°C).
  • Clown loach · 180+ gal
    • Clown loach grows much larger than black neon tetras and may swallow them as it grows.
  • Dojo loach · 75+ gal
    • Their temperature ranges barely overlap (only around 23–23°C).
    • One is a cold-water species and the other is tropical, so neither will be at its best.
  • Firemouth cichlid · 29+ gal
    • Firemouth cichlid is semi-aggressive and may bully much smaller black neon tetras.
  • German blue ram · 20+ gal
    • Their temperature ranges barely overlap (only around 27–27°C).
  • Hillstream loach · 20+ gal
    • Their temperature ranges barely overlap (only around 23–24°C).
    • One is a cold-water species and the other is tropical, so neither will be at its best.
  • Kribensis · 29+ gal
    • Kribensis is semi-aggressive and may bully much smaller black neon tetras.
  • Rainbow shark · 75+ gal
    • Rainbow shark is semi-aggressive and may bully much smaller black neon tetras.
  • Red-tail shark · 75+ gal
    • Red-tail shark is semi-aggressive and may bully much smaller black neon tetras.
  • Rosy barb · 29+ gal
    • Their temperature ranges barely overlap (only around 23–24°C).
    • One is a cold-water species and the other is tropical, so neither will be at its best.
  • Three spot gourami · 29+ gal
    • Three spot gourami is semi-aggressive and may bully much smaller black neon tetras.
  • Buenos Aires tetra · 29+ gal
    • Buenos Aires tetra nips fins and can stress slow, peaceful fish like black neon tetras.
  • Bumblebee catfish · 20+ gal
    • Bumblebee catfish may eat black neon tetras, especially young or small ones.
  • Crystal red shrimp · 10+ gal
    • Their temperature ranges barely overlap (only around 23–24°C).
  • Dwarf orange crayfish · 10+ gal
    • Their temperature ranges barely overlap (only around 23–24°C).
    • One is a cold-water species and the other is tropical, so neither will be at its best.
  • Gold barb · 29+ gal
    • Their temperature ranges barely overlap (only around 23–24°C).
    • 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 black neon tetras.
    • Kissing gourami grows much larger than black neon tetras and may swallow them as it grows.
  • Paradise fish · 20+ gal
    • Their temperature ranges barely overlap (only around 23–24°C).
    • One is a cold-water species and the other is tropical, so neither will be at its best.
  • Serpae tetra · 20+ gal
    • Serpae tetra nips fins and can stress slow, peaceful fish like black neon tetras.
  • Zebra pleco · 20+ gal
    • Their temperature ranges barely overlap (only around 26–27°C).
  • Glowlight danio · 20+ gal
    • Their temperature ranges barely overlap (only around 23–24°C).
  • Variatus platy · 15+ gal
    • One is a cold-water species and the other is tropical, so neither will be at its best.

Avoid Bad tank mates (27)

  • Angelfish: Angelfish can eat black neon tetras: they're small enough to fit in its mouth once it's grown.
  • Common goldfish: They need different temperatures: Black neon tetra 23–27°C (73–81°F), common goldfish 15–22°C (59–72°F). Common goldfish can eat black neon tetras: they're small enough to fit in its mouth once it's grown.
  • Oscar: Oscar can eat black neon tetras: they're small enough to fit in its mouth once it's grown.
  • Bala shark: Bala shark can eat black neon tetras: 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 black neon tetras.
  • Convict cichlid: Convict cichlid can eat black neon tetras: they're small enough to fit in its mouth once it's grown. Convict cichlid is aggressive and will bully or injure peaceful black neon tetras.
  • Discus: They need different temperatures: Black neon tetra 23–27°C (73–81°F), discus 28–30°C (82–86°F).
  • Electric blue acara: Electric blue acara can eat black neon tetras: they're small enough to fit in its mouth once it's grown.
  • 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. Black neon tetras don't belong in that setup.
  • Jack Dempsey: Jack Dempsey can eat black neon tetras: they're small enough to fit in its mouth once it's grown. Jack Dempsey is aggressive and will bully or injure peaceful black neon tetras.
  • Pea puffer: Pea puffer is aggressive and will bully or injure peaceful black neon tetras. 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. Black neon tetras don't belong in that setup.
  • Pictus catfish: Pictus catfish can eat black neon tetras: they're small enough to fit in its mouth once it's grown.
  • Red zebra cichlid: Red zebra cichlid is aggressive and will bully or injure peaceful black neon tetras. 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. Black neon tetras don't belong in that setup.
  • Senegal bichir: Senegal bichir can eat black neon tetras: they're small enough to fit in its mouth once it's grown.
  • White cloud mountain minnow: They need different temperatures: Black neon tetra 23–27°C (73–81°F), white cloud mountain minnow 16–22°C (61–72°F).
  • African butterfly fish: African butterfly fish can eat black neon tetras: they're small enough to fit in its mouth once it's grown.
  • Black ghost knifefish: Black ghost knifefish can eat black neon tetras: 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 black neon tetras. 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. Black neon tetras don't belong in that setup.
  • Frontosa: Frontosa can eat black neon tetras: 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. Black neon tetras don't belong in that setup.
  • Golden wonder killifish: Golden wonder killifish can eat black neon tetras: they're small enough to fit in its mouth once it's grown.
  • Green terror: Green terror can eat black neon tetras: they're small enough to fit in its mouth once it's grown. Green terror is aggressive and will bully or injure peaceful black neon tetras.
  • Jewel cichlid: Jewel cichlid is aggressive and will bully or injure peaceful black neon tetras.
  • Ropefish: Ropefish can eat black neon tetras: they're small enough to fit in its mouth once it's grown.
  • Severum: Severum can eat black neon tetras: they're small enough to fit in its mouth once it's grown.
  • 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. Black neon tetras don't belong in that setup.
  • Tinfoil barb: Tinfoil barb can eat black neon tetras: they're small enough to fit in its mouth once it's grown.

Frequently asked questions

What fish can live with black neon tetras?

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

Can black neon tetras live with angelfish?

No. Angelfish can eat black neon tetras: they're small enough to fit in its mouth once it's grown. Angelfish is semi-aggressive and may bully much smaller black neon tetras.

Can black neon tetras live with bettas?

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

Can black neon tetras live with bristlenose plecos?

Yes. They share similar water needs (23–26°C (73–79°F)) and peaceful temperaments.

Can black neon tetras live with bronze corydoras?

Yes. They share similar water needs (23–26°C (73–79°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.