Glass Catfish Tank Mates

• Ash Lipped Apisto✅ Compatible
  Semi-aggressive · 7 cm · Hard care · 24–29 °C (75–84 °F)
  • Peaceful + Semi-aggressive, but with no direct clash here, and their water overlaps around 24–28 °C — no size, zone or temperament conflicts.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
• Banded Dwarf Cichlid✅ Compatible
  Semi-aggressive · 7 cm · Medium care · 24–30 °C (75–86 °F)
  • Peaceful + Semi-aggressive, but with no direct clash here, and their water overlaps around 24–28 °C — no size, zone or temperament conflicts.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
• Black Kuhli Loach✅ Compatible
  Peaceful · 8 cm · Easy care · 23–28 °C (73–82 °F)
  • Both are peaceful, and their water overlaps around 23–28 °C — no size, zone or temperament conflicts.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
• Bleeding Heart Tetra✅ Compatible
  Semi-aggressive · 7 cm · Medium care · 23–28 °C (73–82 °F)
  • Compatible on the things that matter: shared water near 23–28 °C, workable temperaments, and no predator-and-prey size gap.
  • Both favour the middle of the tank — offer enough cover so they aren't always in each other's space.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
  • Keep Bleeding Heart Tetra in a shoal of 6+ or it gets stressed and nippy.
• Bolivian Ram✅ Compatible
  Peaceful · 8 cm · Medium care · 24–28 °C (75–82 °F)
  • Compatible on the things that matter: shared water near 24–28 °C, workable temperaments, and no predator-and-prey size gap.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
• Bright Diamond Tetra✅ Compatible
  Peaceful · 7 cm · Hard care · 24–28 °C (75–82 °F)
  • Compatible on the things that matter: shared water near 24–28 °C, workable temperaments, and no predator-and-prey size gap.
  • Both favour the middle of the tank — offer enough cover so they aren't always in each other's space.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
  • Keep Bright Diamond Tetra in a shoal of 8+ or it gets stressed and nippy.
• Brilliant Rasbora✅ Compatible
  Peaceful · 9 cm · Easy care · 22–28 °C (72–82 °F)
  • Both are peaceful; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
  • Both favour the middle of the tank — offer enough cover so they aren't always in each other's space.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
  • Keep Brilliant Rasbora in a shoal of 6+ or it gets stressed and nippy.
• Buenos Aires Tetra✅ Compatible
  Semi-aggressive · 7 cm · Easy care · 18–26 °C (64–79 °F)
  • Peaceful + Semi-aggressive, but with no direct clash here, and their water overlaps around 23–26 °C — no size, zone or temperament conflicts.
  • Both favour the middle of the tank — offer enough cover so they aren't always in each other's space.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
  • Keep Buenos Aires Tetra in a shoal of 6+ or it gets stressed and nippy.
• Burmese Loach✅ Compatible
  Peaceful · 9 cm · Easy care · 22–28 °C (72–82 °F)
  • Both are peaceful; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
• Celebes Rainbowfish✅ Compatible
  Peaceful · 7 cm · Medium care · 22–28 °C (72–82 °F)
  • Both are peaceful; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
  • Both favour the middle of the tank — offer enough cover so they aren't always in each other's space.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
  • Keep Celebes Rainbowfish in a shoal of 6+ or it gets stressed and nippy.
• Clown Pleco✅ Compatible
  Peaceful · 9 cm · Medium care · 24–28 °C (75–82 °F)
  • Both are peaceful, and their water overlaps around 24–28 °C — no size, zone or temperament conflicts.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
• Costa's Tetra✅ Compatible
  Peaceful · 7 cm · Easy care · 22–28 °C (72–82 °F)
  • Compatible on the things that matter: shared water near 23–28 °C, workable temperaments, and no predator-and-prey size gap.
  • Both favour the middle of the tank — offer enough cover so they aren't always in each other's space.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
  • Keep Costa's Tetra in a shoal of 6+ or it gets stressed and nippy.
• Croaking Gourami✅ Compatible
  Peaceful · 7 cm · Easy care · 24–28 °C (75–82 °F)
  • Both are peaceful, and their water overlaps around 24–28 °C — no size, zone or temperament conflicts.
  • Both favour the middle of the tank — offer enough cover so they aren't always in each other's space.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
• Gold Barb✅ Compatible
  Peaceful · 7.5 cm · Easy care · 18–26 °C (64–79 °F)
  • Both are peaceful, and their water overlaps around 23–26 °C — no size, zone or temperament conflicts.
  • Both favour the middle of the tank — offer enough cover so they aren't always in each other's space.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
  • Keep Gold Barb in a shoal of 6+ or it gets stressed and nippy.
• Hongsloi Dwarf Cichlid✅ Compatible
  Semi-aggressive · 7 cm · Medium care · 24–29 °C (75–84 °F)
  • Peaceful + Semi-aggressive, but with no direct clash here; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
• Leopard Frog Pleco✅ Compatible
  Peaceful · 9 cm · Medium care · 25–30 °C (77–86 °F)
  • Both are peaceful, and their water overlaps around 25–28 °C — no size, zone or temperament conflicts.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
• Mahachai Betta✅ Compatible
  Aggressive · 7 cm · Medium care · 24–30 °C (75–86 °F)
  • Peaceful + Aggressive, but with no direct clash here, and their water overlaps around 24–28 °C — no size, zone or temperament conflicts.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
• Melon Barb✅ Compatible
  Peaceful · 7 cm · Easy care · 22–28 °C (72–82 °F)
  • Both are peaceful; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
  • Both favour the middle of the tank — offer enough cover so they aren't always in each other's space.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
  • Keep Melon Barb in a shoal of 8+ or it gets stressed and nippy.
• Peacock Gudgeon✅ Compatible
  Peaceful · 7 cm · Medium care · 22–28 °C (72–82 °F)
  • Both are peaceful; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
  • Both favour the middle of the tank — offer enough cover so they aren't always in each other's space.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
• Peppered Corydoras✅ Compatible
  Peaceful · 7 cm · Easy care · 18–26 °C (64–79 °F)
  • Both are peaceful, and their water overlaps around 23–26 °C — no size, zone or temperament conflicts.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
  • Keep Peppered Corydoras in a shoal of 6+ or it gets stressed and nippy.
• Rounded Filament Barb✅ Compatible
  Peaceful · 7 cm · Medium care · 22–27 °C (72–81 °F)
  • Both are peaceful; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
  • Both favour the middle of the tank — offer enough cover so they aren't always in each other's space.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
  • Keep Rounded Filament Barb in a shoal of 6+ or it gets stressed and nippy.
• Roundtail Paradise Fish✅ Compatible
  Semi-aggressive · 7 cm · Easy care · 10–26 °C (50–79 °F)
  • Compatible on the things that matter: shared water near 23–26 °C, workable temperaments, and no predator-and-prey size gap.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
• Splashing Tetra✅ Compatible
  Peaceful · 8 cm · Medium care · 22–28 °C (72–82 °F)
  • Compatible on the things that matter: shared water near 23–28 °C, workable temperaments, and no predator-and-prey size gap.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
  • Keep Splashing Tetra in a shoal of 6+ or it gets stressed and nippy.
• Thick-lipped Gourami✅ Compatible
  Peaceful · 9 cm · Easy care · 22–28 °C (72–82 °F)
  • Both are peaceful, and their water overlaps around 23–28 °C — no size, zone or temperament conflicts.
  • Both favour the middle of the tank — offer enough cover so they aren't always in each other's space.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
• African Butterfly Cichlid⚠️ With caution
  Semi-aggressive · 8 cm · Medium care · 22–28 °C (72–82 °F)
  • African Butterfly Cichlid and Glass Catfish are close in size, but the semi-aggressive one tends to dominate — add glass catfish in a group to spread the pressure.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
• Agassiz's Dwarf Cichlid⚠️ With caution
  Semi-aggressive · 9 cm · Medium care · 24–30 °C (75–86 °F)
  • Agassiz's Dwarf Cichlid and Glass Catfish are close in size, but the semi-aggressive one tends to dominate — add glass catfish in a group to spread the pressure.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
• Amazon Puffer⚠️ With caution
  Peaceful · 8 cm · Medium care · 23–28 °C (73–82 °F)
  • Your 80 L tank is below the ~120 L this pairing really wants — crowding raises aggression.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
  • Keep Amazon Puffer in a shoal of 6+ or it gets stressed and nippy.
• Badis⚠️ With caution
  Semi-aggressive · 8 cm · Medium care · 22–28 °C (72–82 °F)
  • Badis and Glass Catfish are close in size, but the semi-aggressive one tends to dominate — add glass catfish in a group to spread the pressure.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
• Bamboo Shrimp⚠️ With caution
  Peaceful · 8 cm · Medium care · 22–27 °C (72–81 °F)
  • Glass Catfish may eat Bamboo Shrimp or pick off its shrimplets — a densely planted tank with moss gives them a fighting chance.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
• Bandit Cichlid⚠️ With caution
  Semi-aggressive · 9 cm · Medium care · 22–26 °C (72–79 °F)
  • Bandit Cichlid is semi-aggressive and may chase or nip the smaller Glass Catfish — plant heavily and break up sight lines.
  • Your 80 L tank is below the ~150 L this pairing really wants — crowding raises aggression.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
  • Keep Bandit Cichlid in a shoal of 6+ or it gets stressed and nippy.
• Brichardi Cichlid⚠️ With caution
  Semi-aggressive · 9 cm · Medium care · 24–28 °C (75–82 °F)
  • Different pH ranges (6–7.5 vs 7.8–9); doable if you sit in the shared band, but not ideal long-term.
  • Expect Brichardi Cichlid to harass Glass Catfish at times; give dense cover and watch them at feeding.
  • Your 80 L tank is below the ~120 L this pairing really wants — crowding raises aggression.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
• Cockatoo Dwarf Cichlid⚠️ With caution
  Semi-aggressive · 8 cm · Medium care · 24–28 °C (75–82 °F)
  • Cockatoo Dwarf Cichlid is semi-aggressive and may chase or nip the smaller Glass Catfish — plant heavily and break up sight lines.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
• Congo Tetra⚠️ With caution
  Peaceful · 8 cm · Medium care · 22–28 °C (72–82 °F)
  • Your 80 L tank is below the ~120 L this pairing really wants — crowding raises aggression.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
  • Keep Congo Tetra in a shoal of 6+ or it gets stressed and nippy.
• Demasoni Cichlid⚠️ With caution
  Aggressive · 9 cm · Hard care · 23–27 °C (73–81 °F)
  • Different pH ranges (6–7.5 vs 7.8–8.6); doable if you sit in the shared band, but not ideal long-term.
  • Demasoni Cichlid and Glass Catfish are close in size, but the aggressive one tends to dominate — add glass catfish in a group to spread the pressure.
  • Your 80 L tank is below the ~200 L this pairing really wants — crowding raises aggression.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
  • Keep Demasoni Cichlid in a shoal of 12+ or it gets stressed and nippy.
• Dwarf Gourami⚠️ With caution
  Semi-aggressive · 8 cm · Medium care · 24–28 °C (75–82 °F)
  • Dwarf Gourami is semi-aggressive and may chase or nip the smaller Glass Catfish — plant heavily and break up sight lines.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
• Goldeneye Dwarf Cichlid⚠️ With caution
  Semi-aggressive · 8 cm · Easy care · 24–28 °C (75–82 °F)
  • Goldeneye Dwarf Cichlid and Glass Catfish are close in size, but the semi-aggressive one tends to dominate — add glass catfish in a group to spread the pressure.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
• Lifalili Jewel Cichlid⚠️ With caution
  Aggressive · 9 cm · Medium care · 22–28 °C (72–82 °F)
  • Expect Lifalili Jewel Cichlid to harass Glass Catfish at times; give dense cover and watch them at feeding.
  • Your 80 L tank is below the ~120 L this pairing really wants — crowding raises aggression.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
• Mexican Tetra⚠️ With caution
  Semi-aggressive · 9 cm · Easy care · 18–25 °C (64–77 °F)
  • Mexican Tetra is semi-aggressive and may chase or nip the smaller Glass Catfish — plant heavily and break up sight lines.
  • Your 80 L tank is below the ~110 L this pairing really wants — crowding raises aggression.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
  • Keep Mexican Tetra in a shoal of 6+ or it gets stressed and nippy.
• Pantanal Corydoras⚠️ With caution
  Peaceful · 8 cm · Medium care · 22–27 °C (72–81 °F)
  • Your 80 L tank is below the ~110 L this pairing really wants — crowding raises aggression.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
  • Keep Pantanal Corydoras in a shoal of 6+ or it gets stressed and nippy.
• Scissortail Rasbora⚠️ With caution
  Peaceful · 8 cm · Easy care · 22–27 °C (72–81 °F)
  • Your 80 L tank is below the ~90 L this pairing really wants — crowding raises aggression.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
  • Keep Scissortail Rasbora in a shoal of 6+ or it gets stressed and nippy.
• Cherry Shrimp⛔ Not recommended
  Peaceful · 3 cm · Easy care · 18–28 °C (64–82 °F)
  • Glass Catfish will hunt and eat Cherry Shrimp — keep shrimp only with small, peaceful, non-predatory fish.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
  • Keep Cherry Shrimp in a shoal of 10+ or it gets stressed and nippy.
• Crystal Red Shrimp⛔ Not recommended
  Peaceful · 2.5 cm · Hard care · 20–24 °C (68–75 °F)
  • Glass Catfish will hunt and eat Crystal Red Shrimp — keep shrimp only with small, peaceful, non-predatory fish.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
  • Keep Crystal Red Shrimp in a shoal of 10+ or it gets stressed and nippy.
• Goldfish⛔ Not recommended
  Peaceful · 30 cm · Medium care · 18–22 °C (64–72 °F)
  • Temperature needs don't overlap (Glass Catfish 23–28 °C vs Goldfish 18–22 °C).
  • Goldfish may bully the smaller Glass Catfish, though its armour makes it a hard meal — give it caves and driftwood to retreat into.
  • Your 80 L tank is below the ~150 L this pairing really wants — crowding raises aggression.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
• Imperial Flower Loach⛔ Not recommended
  Semi-aggressive · 50 cm · Hard care · 15–22 °C (59–72 °F)
  • Temperature needs don't overlap (Glass Catfish 23–28 °C vs Imperial Flower Loach 15–22 °C).
  • Expect Imperial Flower Loach to harass Glass Catfish at times; give dense cover and watch them at feeding.
  • Imperial Flower Loach may bully the smaller Glass Catfish, though its armour makes it a hard meal — give it caves and driftwood to retreat into.
  • Your 80 L tank is below the ~750 L this pairing really wants — crowding raises aggression.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
• Tiger Shrimp⛔ Not recommended
  Peaceful · 3 cm · Hard care · 20–25 °C (68–77 °F)
  • Glass Catfish will hunt and eat Tiger Shrimp — keep shrimp only with small, peaceful, non-predatory fish.
  • Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
  • Keep Tiger Shrimp in a shoal of 6+ or it gets stressed and nippy.

Compatibility is computed from each species' care data — a strong starting point, not a guarantee. Individual temperament varies, so always introduce new fish slowly and watch them.