Auratus Cichlid Tank Mates

• Bearded Corydoras✅ Compatible
  Peaceful · 10 cm · Medium care · 18–24 °C (64–75 °F)
  • Aggressive + Peaceful, but with no direct clash here; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
  • Keep Auratus Cichlid in a shoal of 6+ or it gets stressed and nippy.
  • Keep Bearded Corydoras in a shoal of 6+ or it gets stressed and nippy.
• Blue Turbo Snail✅ Compatible
  Peaceful · 5 cm · Medium care · 25–30 °C (77–86 °F)
  • Compatible on the things that matter: shared water near 25–28 °C, workable temperaments, and no predator-and-prey size gap.
  • Keep Auratus Cichlid in a shoal of 6+ or it gets stressed and nippy.
• Corydoras Catfish✅ Compatible
  Peaceful · 6.5 cm · Easy care · 22–26 °C (72–79 °F)
  • Aggressive + Peaceful, but with no direct clash here, and their water overlaps around 23–26 °C — no size, zone or temperament conflicts.
  • Keep Auratus Cichlid in a shoal of 6+ or it gets stressed and nippy.
  • Keep Corydoras Catfish in a shoal of 6+ or it gets stressed and nippy.
• Japanese Trapdoor Snail✅ Compatible
  Peaceful · 5 cm · Easy care · 10–28 °C (50–82 °F)
  • Aggressive + Peaceful, but with no direct clash here, and their water overlaps around 23–28 °C — no size, zone or temperament conflicts.
  • Keep Auratus Cichlid in a shoal of 6+ or it gets stressed and nippy.
• Marbled Hoplo✅ Compatible
  Peaceful · 14 cm · Easy care · 22–28 °C (72–82 °F)
  • Aggressive + Peaceful, but with no direct clash here, and their water overlaps around 23–28 °C — no size, zone or temperament conflicts.
  • Keep Auratus Cichlid in a shoal of 6+ or it gets stressed and nippy.
• Spotfin Corydoras✅ Compatible
  Peaceful · 6.5 cm · Easy care · 22–26 °C (72–79 °F)
  • Aggressive + Peaceful, but with no direct clash here; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
  • Keep Auratus Cichlid in a shoal of 6+ or it gets stressed and nippy.
  • Keep Spotfin Corydoras in a shoal of 6+ or it gets stressed and nippy.
• Spotted Talking Catfish✅ Compatible
  Peaceful · 15 cm · Easy care · 22–26 °C (72–79 °F)
  • Compatible on the things that matter: shared water near 23–26 °C, workable temperaments, and no predator-and-prey size gap.
  • Keep Auratus Cichlid in a shoal of 6+ or it gets stressed and nippy.
• Sterbai Corydoras✅ Compatible
  Peaceful · 6.5 cm · Medium care · 24–30 °C (75–86 °F)
  • Aggressive + Peaceful, but with no direct clash here, and their water overlaps around 24–28 °C — no size, zone or temperament conflicts.
  • Keep Auratus Cichlid in a shoal of 6+ or it gets stressed and nippy.
  • Keep Sterbai Corydoras in a shoal of 6+ or it gets stressed and nippy.
• Upside-down Catfish✅ Compatible
  Peaceful · 10 cm · Easy care · 22–26 °C (72–79 °F)
  • Compatible on the things that matter: shared water near 23–26 °C, workable temperaments, and no predator-and-prey size gap.
  • Keep Auratus Cichlid in a shoal of 6+ or it gets stressed and nippy.
• Boesemani Rainbowfish⚠️ With caution
  Peaceful · 11 cm · Medium care · 24–28 °C (75–82 °F)
  • Expect Auratus Cichlid to harass Boesemani Rainbowfish at times; give dense cover and watch them at feeding.
  • Keep Auratus Cichlid in a shoal of 6+ or it gets stressed and nippy.
  • Keep Boesemani Rainbowfish in a shoal of 6+ or it gets stressed and nippy.
• Bristlenose Pleco⚠️ With caution
  Peaceful · 12 cm · Easy care · 23–30 °C (73–86 °F)
  • Different pH ranges (7.6–8.8 vs 6–7.5); doable if you sit in the shared band, but not ideal long-term.
  • Keep Auratus Cichlid in a shoal of 6+ or it gets stressed and nippy.
• Clown Rasbora⚠️ With caution
  Peaceful · 10 cm · Medium care · 23–28 °C (73–82 °F)
  • Different pH ranges (7.6–8.8 vs 5.5–7); doable if you sit in the shared band, but not ideal long-term.
  • Expect Auratus Cichlid to harass Clown Rasbora at times; give dense cover and watch them at feeding.
  • Keep Auratus Cichlid in a shoal of 6+ or it gets stressed and nippy.
  • Keep Clown Rasbora in a shoal of 6+ or it gets stressed and nippy.
• Giant Betta⚠️ With caution
  Peaceful · 12 cm · Medium care · 24–28 °C (75–82 °F)
  • Different pH ranges (7.6–8.8 vs 5–7); doable if you sit in the shared band, but not ideal long-term.
  • Water hardness preferences differ (Auratus Cichlid 10–25 vs Giant Betta 1–8 dGH).
  • Auratus Cichlid is a notorious fin-nipper — even though Giant Betta is larger, an active shoal will harass its trailing fins. Only safe in a full group of 6+ with plenty of cover.
  • Keep Auratus Cichlid in a shoal of 6+ or it gets stressed and nippy.
• Giant Danio⚠️ With caution
  Peaceful · 10 cm · Easy care · 20–27 °C (68–81 °F)
  • pH preferences only just meet (Auratus Cichlid 7.6–8.8 vs Giant Danio 6.5–7.5) — target the overlap and acclimate slowly.
  • Auratus Cichlid is aggressive and may chase or nip the smaller Giant Danio — plant heavily and break up sight lines.
  • Keep Auratus Cichlid in a shoal of 6+ or it gets stressed and nippy.
  • Keep Giant Danio in a shoal of 6+ or it gets stressed and nippy.
• Giant Kuhli Loach⚠️ With caution
  Peaceful · 12 cm · Easy care · 24–30 °C (75–86 °F)
  • pH preferences only just meet (Auratus Cichlid 7.6–8.8 vs Giant Kuhli Loach 6–7.5) — target the overlap and acclimate slowly.
  • Keep Auratus Cichlid in a shoal of 6+ or it gets stressed and nippy.
• Keyhole Cichlid⚠️ With caution
  Peaceful · 10 cm · Easy care · 22–28 °C (72–82 °F)
  • Different pH ranges (7.6–8.8 vs 6–7.5); doable if you sit in the shared band, but not ideal long-term.
  • Expect Auratus Cichlid to harass Keyhole Cichlid at times; give dense cover and watch them at feeding.
  • Keep Auratus Cichlid in a shoal of 6+ or it gets stressed and nippy.
• Kuhli Loach⚠️ With caution
  Peaceful · 10 cm · Easy care · 24–30 °C (75–86 °F)
  • pH preferences only just meet (Auratus Cichlid 7.6–8.8 vs Kuhli Loach 5.5–7) — target the overlap and acclimate slowly.
  • One likes softer water and the other harder (10–25 vs 1–8 dGH) — a compromise, not a perfect match.
  • Keep Auratus Cichlid in a shoal of 6+ or it gets stressed and nippy.
• Mascara Barb⚠️ With caution
  Peaceful · 12 cm · Medium care · 20–25 °C (68–77 °F)
  • Different pH ranges (7.6–8.8 vs 6–7.5); doable if you sit in the shared band, but not ideal long-term.
  • Auratus Cichlid is a notorious fin-nipper — even though Mascara Barb is larger, an active shoal will harass its trailing fins. Only safe in a full group of 6+ with plenty of cover.
  • Your 190 L tank is below the ~200 L this pairing really wants — crowding raises aggression.
  • Keep Auratus Cichlid in a shoal of 6+ or it gets stressed and nippy.
  • Keep Mascara Barb in a shoal of 8+ or it gets stressed and nippy.
• Medusa Pleco⚠️ With caution
  Peaceful · 12 cm · Medium care · 26–30 °C (79–86 °F)
  • pH preferences only just meet (Auratus Cichlid 7.6–8.8 vs Medusa Pleco 6.4–7.4) — target the overlap and acclimate slowly.
  • Keep Auratus Cichlid in a shoal of 6+ or it gets stressed and nippy.
• Molly⚠️ With caution
  Peaceful · 10 cm · Easy care · 23–28 °C (73–82 °F)
  • Auratus Cichlid and Molly are close in size, but the aggressive one tends to dominate — add molly in a group to spread the pressure.
  • Keep Auratus Cichlid in a shoal of 6+ or it gets stressed and nippy.
• Murray River Rainbowfish⚠️ With caution
  Peaceful · 11 cm · Easy care · 15–26 °C (59–79 °F)
  • Auratus Cichlid and Murray River Rainbowfish are close in size, but the aggressive one tends to dominate — add murray river rainbowfish in a group to spread the pressure.
  • Keep Auratus Cichlid in a shoal of 6+ or it gets stressed and nippy.
  • Keep Murray River Rainbowfish in a shoal of 6+ or it gets stressed and nippy.
• Pearl Gourami⚠️ With caution
  Peaceful · 12 cm · Medium care · 24–28 °C (75–82 °F)
  • pH preferences only just meet (Auratus Cichlid 7.6–8.8 vs Pearl Gourami 6–7.5) — target the overlap and acclimate slowly.
  • Pearl Gourami is slow and long-finned; a busy auratus cichlid shoal tends to nip at it. Keep auratus cichlid in a proper group of 6+ and watch them closely.
  • Keep Auratus Cichlid in a shoal of 6+ or it gets stressed and nippy.
• Rubber Lip Pleco⚠️ With caution
  Peaceful · 12 cm · Easy care · 20–26 °C (68–79 °F)
  • Different pH ranges (7.6–8.8 vs 6.5–7.5); doable if you sit in the shared band, but not ideal long-term.
  • Keep Auratus Cichlid in a shoal of 6+ or it gets stressed and nippy.
• Spotted Rubbernose Pleco⚠️ With caution
  Peaceful · 12 cm · Medium care · 20–26 °C (68–79 °F)
  • pH preferences only just meet (Auratus Cichlid 7.6–8.8 vs Spotted Rubbernose Pleco 6.5–7.5) — target the overlap and acclimate slowly.
  • Keep Auratus Cichlid in a shoal of 6+ or it gets stressed and nippy.
• Striped Eel Loach⚠️ With caution
  Peaceful · 12 cm · Medium care · 24–28 °C (75–82 °F)
  • Different pH ranges (7.6–8.8 vs 6–7.2); doable if you sit in the shared band, but not ideal long-term.
  • Keep Auratus Cichlid in a shoal of 6+ or it gets stressed and nippy.
• Alligator Gar⛔ Not recommended
  Aggressive · 250 cm · Hard care · 24–28 °C (75–82 °F)
  • Auratus Cichlid and Alligator Gar are both territorial and at least one is outright aggressive — expect serious fighting.
  • Size gap is too large (250 vs 11 cm): Alligator Gar will treat Auratus Cichlid as food.
  • Auratus Cichlid is a notorious fin-nipper — even though Alligator Gar is larger, an active shoal will harass its trailing fins. Only safe in a full group of 6+ with plenty of cover.
  • Your 190 L tank is below the ~3785 L this pairing really wants — crowding raises aggression.
  • Keep Auratus Cichlid in a shoal of 6+ or it gets stressed and nippy.
• Clown Knifefish⛔ Not recommended
  Aggressive · 90 cm · Hard care · 24–28 °C (75–82 °F)
  • Two assertive fish, one genuinely aggressive: Auratus Cichlid and Clown Knifefish will hold territory and clash.
  • Auratus Cichlid is bite-sized to a 90 cm predatory clown knifefish — it will be eaten.
  • pH preferences only just meet (Auratus Cichlid 7.6–8.8 vs Clown Knifefish 6–7.5) — target the overlap and acclimate slowly.
  • Your 190 L tank is below the ~750 L this pairing really wants — crowding raises aggression.
  • Keep Auratus Cichlid in a shoal of 6+ or it gets stressed and nippy.
• Fire Eel⛔ Not recommended
  Semi-aggressive · 100 cm · Medium care · 24–28 °C (75–82 °F)
  • Two assertive fish, one genuinely aggressive: Auratus Cichlid and Fire Eel will hold territory and clash.
  • Fire Eel (100 cm) is big enough to swallow the 11 cm Auratus Cichlid whole.
  • pH preferences only just meet (Auratus Cichlid 7.6–8.8 vs Fire Eel 6.5–7.5) — target the overlap and acclimate slowly.
  • Your 190 L tank is below the ~380 L this pairing really wants — crowding raises aggression.
  • Keep Auratus Cichlid in a shoal of 6+ or it gets stressed and nippy.
• Koi⛔ Not recommended
  Peaceful · 90 cm · Medium care · 4–28 °C (39–82 °F)
  • Auratus Cichlid is bite-sized to a 90 cm koi — it will be eaten.
  • Koi is slow and long-finned; a busy auratus cichlid shoal tends to nip at it. Keep auratus cichlid in a proper group of 6+ and watch them closely.
  • Your 190 L tank is below the ~3800 L this pairing really wants — crowding raises aggression.
  • Keep Auratus Cichlid in a shoal of 6+ or it gets stressed and nippy.
• Mekong Giant Catfish⛔ Not recommended
  Semi-aggressive · 300 cm · Hard care · 20–28 °C (68–82 °F)
  • Auratus Cichlid and Mekong Giant Catfish are both territorial and at least one is outright aggressive — expect serious fighting.
  • Different pH ranges (7.6–8.8 vs 6.5–7.5); doable if you sit in the shared band, but not ideal long-term.
  • Auratus Cichlid is a notorious fin-nipper — even though Mekong Giant Catfish is larger, an active shoal will harass its trailing fins. Only safe in a full group of 6+ with plenty of cover.
  • Your 190 L tank is below the ~100000 L this pairing really wants — crowding raises aggression.
  • Keep Auratus Cichlid in a shoal of 6+ or it gets stressed and nippy.
• Redtail Catfish⛔ Not recommended
  Aggressive · 120 cm · Hard care · 24–27 °C (75–81 °F)
  • Auratus Cichlid and Redtail Catfish are both territorial and at least one is outright aggressive — expect serious fighting.
  • Size gap is too large (120 vs 11 cm): Redtail Catfish will treat Auratus Cichlid as food.
  • Different pH ranges (7.6–8.8 vs 6–7.5); doable if you sit in the shared band, but not ideal long-term.
  • Your 190 L tank is below the ~5700 L this pairing really wants — crowding raises aggression.
  • Keep Auratus Cichlid in a shoal of 6+ or it gets stressed and nippy.
• Spotted Gar⛔ Not recommended
  Aggressive · 90 cm · Hard care · 18–26 °C (64–79 °F)
  • Auratus Cichlid and Spotted Gar are both territorial and at least one is outright aggressive — expect serious fighting.
  • Auratus Cichlid is bite-sized to a 90 cm predatory spotted gar — it will be eaten.
  • Different pH ranges (7.6–8.8 vs 6.5–7.5); doable if you sit in the shared band, but not ideal long-term.
  • Auratus Cichlid is a notorious fin-nipper — even though Spotted Gar is larger, an active shoal will harass its trailing fins. Only safe in a full group of 6+ with plenty of cover.
  • Your 190 L tank is below the ~600 L this pairing really wants — crowding raises aggression.
  • Keep Auratus Cichlid in a shoal of 6+ or it gets stressed and nippy.
• Wels Catfish⛔ Not recommended
  Aggressive · 300 cm · Hard care · 15–25 °C (59–77 °F)
  • Auratus Cichlid and Wels Catfish are both territorial and at least one is outright aggressive — expect serious fighting.
  • Size gap is too large (300 vs 11 cm): Wels Catfish will treat Auratus Cichlid as food.
  • Different pH ranges (7.6–8.8 vs 6.5–7.5); doable if you sit in the shared band, but not ideal long-term.
  • Your 190 L tank is below the ~20000 L this pairing really wants — crowding raises aggression.
  • Keep Auratus Cichlid 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.