Giant Danio Tank Mates

• African Butterfly Cichlid✅ Compatible
  Semi-aggressive · 8 cm · Medium care · 22–28 °C (72–82 °F)
  • Compatible on the things that matter: shared water near 22–27 °C, workable temperaments, and no predator-and-prey size gap.
  • Keep Giant Danio in a shoal of 6+ or it gets stressed and nippy.
• Agassiz's Dwarf Cichlid✅ Compatible
  Semi-aggressive · 9 cm · Medium care · 24–30 °C (75–86 °F)
  • Peaceful + Semi-aggressive, but with no direct clash here, and their water overlaps around 24–27 °C — no size, zone or temperament conflicts.
  • Keep Giant Danio in a shoal of 6+ or it gets stressed and nippy.
• Badis✅ Compatible
  Semi-aggressive · 8 cm · Medium care · 22–28 °C (72–82 °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 Giant Danio in a shoal of 6+ or it gets stressed and nippy.
• Bearded Corydoras✅ Compatible
  Peaceful · 10 cm · Medium care · 18–24 °C (64–75 °F)
  • Compatible on the things that matter: shared water near 20–24 °C, workable temperaments, and no predator-and-prey size gap.
  • Keep Giant Danio 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.
• Black Kuhli Loach✅ Compatible
  Peaceful · 8 cm · Easy care · 23–28 °C (73–82 °F)
  • Both are peaceful; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
  • Keep Giant Danio 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)
  • Both are peaceful, and their water overlaps around 24–27 °C — no size, zone or temperament conflicts.
  • Keep Giant Danio in a shoal of 6+ or it gets stressed and nippy.
• Brilliant Rasbora✅ Compatible
  Peaceful · 9 cm · Easy care · 22–28 °C (72–82 °F)
  • Both are peaceful, and their water overlaps around 22–27 °C — no size, zone or temperament conflicts.
  • Keep Giant Danio 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.
• Bristlenose Pleco✅ Compatible
  Peaceful · 12 cm · Easy care · 23–30 °C (73–86 °F)
  • Compatible on the things that matter: shared water near 23–27 °C, workable temperaments, and no predator-and-prey size gap.
  • Keep Giant Danio 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, and their water overlaps around 22–27 °C — no size, zone or temperament conflicts.
  • Keep Giant Danio 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 24–27 °C — no size, zone or temperament conflicts.
  • Keep Giant Danio in a shoal of 6+ or it gets stressed and nippy.
• Clown Rasbora✅ Compatible
  Peaceful · 10 cm · Medium care · 23–28 °C (73–82 °F)
  • Both are peaceful, and their water overlaps around 23–27 °C — no size, zone or temperament conflicts.
  • Keep Giant Danio 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.
• Cockatoo Dwarf Cichlid✅ Compatible
  Semi-aggressive · 8 cm · Medium care · 24–28 °C (75–82 °F)
  • Peaceful + Semi-aggressive, but with no direct clash here, and their water overlaps around 24–27 °C — no size, zone or temperament conflicts.
  • Keep Giant Danio in a shoal of 6+ or it gets stressed and nippy.
• Giant Betta✅ Compatible
  Peaceful · 12 cm · Medium care · 24–28 °C (75–82 °F)
  • Compatible on the things that matter: shared water near 24–27 °C, workable temperaments, and no predator-and-prey size gap.
  • Keep Giant Danio in a shoal of 6+ or it gets stressed and nippy.
• Giant Kuhli Loach✅ Compatible
  Peaceful · 12 cm · Easy care · 24–30 °C (75–86 °F)
  • Both are peaceful; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
  • Keep Giant Danio in a shoal of 6+ or it gets stressed and nippy.
• Keyhole Cichlid✅ Compatible
  Peaceful · 10 cm · Easy care · 22–28 °C (72–82 °F)
  • Compatible on the things that matter: shared water near 22–27 °C, workable temperaments, and no predator-and-prey size gap.
  • Keep Giant Danio in a shoal of 6+ or it gets stressed and nippy.
• Kuhli Loach✅ Compatible
  Peaceful · 10 cm · Easy care · 24–30 °C (75–86 °F)
  • Both are peaceful, and their water overlaps around 24–27 °C — no size, zone or temperament conflicts.
  • Keep Giant Danio 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; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
  • Keep Giant Danio in a shoal of 6+ or it gets stressed and nippy.
• Molly✅ Compatible
  Peaceful · 10 cm · Easy care · 23–28 °C (73–82 °F)
  • Both are peaceful, and their water overlaps around 23–27 °C — no size, zone or temperament conflicts.
  • Keep Giant Danio in a shoal of 6+ or it gets stressed and nippy.
• Murray River Rainbowfish✅ Compatible
  Peaceful · 11 cm · Easy care · 15–26 °C (59–79 °F)
  • Compatible on the things that matter: shared water near 20–26 °C, workable temperaments, and no predator-and-prey size gap.
  • Keep Giant Danio 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.
• Porthole Catfish✅ Compatible
  Peaceful · 10 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 Giant Danio in a shoal of 6+ or it gets stressed and nippy.
• Spotted Rubbernose Pleco✅ Compatible
  Peaceful · 12 cm · Medium care · 20–26 °C (68–79 °F)
  • Compatible on the things that matter: shared water near 20–26 °C, workable temperaments, and no predator-and-prey size gap.
  • Keep Giant Danio in a shoal of 6+ or it gets stressed and nippy.
• Striped Eel Loach✅ Compatible
  Peaceful · 12 cm · Medium care · 24–28 °C (75–82 °F)
  • Both are peaceful, and their water overlaps around 24–27 °C — no size, zone or temperament conflicts.
  • Keep Giant Danio 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)
  • Compatible on the things that matter: shared water near 22–27 °C, workable temperaments, and no predator-and-prey size gap.
  • Keep Giant Danio in a shoal of 6+ or it gets stressed and nippy.
• Zebra Pleco✅ Compatible
  Peaceful · 10 cm · Hard care · 26–30 °C (79–86 °F)
  • Both are peaceful, and their water overlaps around 26–27 °C — no size, zone or temperament conflicts.
  • Keep Giant Danio in a shoal of 6+ or it gets stressed and nippy.
• Afra Cichlid⚠️ With caution
  Semi-aggressive · 10 cm · Medium care · 24–28 °C (75–82 °F)
  • Different pH ranges (6.5–7.5 vs 7.8–8.6); doable if you sit in the shared band, but not ideal long-term.
  • Expect Afra Cichlid to harass Giant Danio at times; give dense cover and watch them at feeding.
  • Your 110 L tank is below the ~150 L this pairing really wants — crowding raises aggression.
  • Keep Giant Danio in a shoal of 6+ or it gets stressed and nippy.
  • Keep Afra Cichlid in a shoal of 6+ or it gets stressed and nippy.
• Auratus Cichlid⚠️ With caution
  Aggressive · 11 cm · Medium care · 23–28 °C (73–82 °F)
  • pH preferences only just meet (Giant Danio 6.5–7.5 vs Auratus Cichlid 7.6–8.8) — 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.
  • Your 110 L tank is below the ~190 L this pairing really wants — crowding raises aggression.
  • Keep Giant Danio in a shoal of 6+ or it gets stressed and nippy.
  • 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)
  • Your 110 L tank is below the ~115 L this pairing really wants — crowding raises aggression.
  • Keep Giant Danio 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.
• Convict Cichlid⚠️ With caution
  Aggressive · 10 cm · Easy care · 21–28 °C (70–82 °F)
  • Convict Cichlid and Giant Danio are close in size, but the aggressive one tends to dominate — add giant danio in a group to spread the pressure.
  • Keep Giant Danio in a shoal of 6+ or it gets stressed and nippy.
• Daffodil Cichlid⚠️ With caution
  Semi-aggressive · 10 cm · Medium care · 23–27 °C (73–81 °F)
  • pH preferences only just meet (Giant Danio 6.5–7.5 vs Daffodil Cichlid 7.8–9) — target the overlap and acclimate slowly.
  • Daffodil Cichlid and Giant Danio are close in size, but the semi-aggressive one tends to dominate — add giant danio in a group to spread the pressure.
  • Your 110 L tank is below the ~120 L this pairing really wants — crowding raises aggression.
  • Keep Giant Danio in a shoal of 6+ or it gets stressed and nippy.
• Electric Yellow Cichlid⚠️ With caution
  Semi-aggressive · 10 cm · Medium care · 23–26 °C (73–79 °F)
  • Different pH ranges (6.5–7.5 vs 7.8–8.9); doable if you sit in the shared band, but not ideal long-term.
  • Expect Electric Yellow Cichlid to harass Giant Danio at times; give dense cover and watch them at feeding.
  • Your 110 L tank is below the ~200 L this pairing really wants — crowding raises aggression.
  • Keep Giant Danio in a shoal of 6+ or it gets stressed and nippy.
• Golden Vampire Pleco⚠️ With caution
  Semi-aggressive · 11 cm · Medium care · 26–30 °C (79–86 °F)
  • Golden Vampire Pleco and Giant Danio are close in size, but the semi-aggressive one tends to dominate — add giant danio in a group to spread the pressure.
  • Your 110 L tank is below the ~120 L this pairing really wants — crowding raises aggression.
  • Keep Giant Danio in a shoal of 6+ or it gets stressed and nippy.
• Golden Wonder Killifish⚠️ With caution
  Semi-aggressive · 10 cm · Easy care · 22–28 °C (72–82 °F)
  • Golden Wonder Killifish and Giant Danio are close in size, but the semi-aggressive one tends to dominate — add giant danio in a group to spread the pressure.
  • Keep Giant Danio in a shoal of 6+ or it gets stressed and nippy.
• Johanni Cichlid⚠️ With caution
  Aggressive · 10 cm · Medium care · 24–28 °C (75–82 °F)
  • pH preferences only just meet (Giant Danio 6.5–7.5 vs Johanni Cichlid 7.8–8.6) — target the overlap and acclimate slowly.
  • Johanni Cichlid and Giant Danio are close in size, but the aggressive one tends to dominate — add giant danio in a group to spread the pressure.
  • Your 110 L tank is below the ~200 L this pairing really wants — crowding raises aggression.
  • Keep Giant Danio in a shoal of 6+ or it gets stressed and nippy.
  • Keep Johanni Cichlid in a shoal of 6+ or it gets stressed and nippy.
• Kribensis⚠️ With caution
  Semi-aggressive · 10 cm · Easy care · 24–27 °C (75–81 °F)
  • Kribensis and Giant Danio are close in size, but the semi-aggressive one tends to dominate — add giant danio in a group to spread the pressure.
  • Keep Giant Danio in a shoal of 6+ or it gets stressed and nippy.
• Paradise Fish⚠️ With caution
  Aggressive · 10 cm · Medium care · 16–26 °C (61–79 °F)
  • Expect Paradise Fish to harass Giant Danio at times; give dense cover and watch them at feeding.
  • Keep Giant Danio in a shoal of 6+ or it gets stressed and nippy.
• Rosy Barb⚠️ With caution
  Semi-aggressive · 10 cm · Easy care · 18–26 °C (64–79 °F)
  • Rosy Barb and Giant Danio are close in size, but the semi-aggressive one tends to dominate — add giant danio in a group to spread the pressure.
  • Keep Giant Danio in a shoal of 6+ or it gets stressed and nippy.
  • Keep Rosy Barb in a shoal of 6+ or it gets stressed and nippy.
• Rusty Cichlid⚠️ With caution
  Semi-aggressive · 10 cm · Medium care · 24–28 °C (75–82 °F)
  • pH preferences only just meet (Giant Danio 6.5–7.5 vs Rusty Cichlid 7.8–8.5) — target the overlap and acclimate slowly.
  • Rusty Cichlid and Giant Danio are close in size, but the semi-aggressive one tends to dominate — add giant danio in a group to spread the pressure.
  • Your 110 L tank is below the ~150 L this pairing really wants — crowding raises aggression.
  • Keep Giant Danio in a shoal of 6+ or it gets stressed and nippy.
• Tanganyikan Butterfly Cichlid⚠️ With caution
  Semi-aggressive · 10 cm · Hard care · 24–28 °C (75–82 °F)
  • pH preferences only just meet (Giant Danio 6.5–7.5 vs Tanganyikan Butterfly Cichlid 8–9) — target the overlap and acclimate slowly.
  • Tanganyikan Butterfly Cichlid is semi-aggressive and may chase or nip the smaller Giant Danio — plant heavily and break up sight lines.
  • Your 110 L tank is below the ~130 L this pairing really wants — crowding raises aggression.
  • Keep Giant Danio in a shoal of 6+ or it gets stressed and nippy.
• Topaz Cichlid⚠️ With caution
  Semi-aggressive · 10 cm · Medium care · 23–28 °C (73–82 °F)
  • Topaz Cichlid is semi-aggressive and may chase or nip the smaller Giant Danio — plant heavily and break up sight lines.
  • Keep Giant Danio in a shoal of 6+ or it gets stressed and nippy.
• Upside-down Catfish⚠️ With caution
  Peaceful · 10 cm · Easy care · 22–26 °C (72–79 °F)
  • Your 110 L tank is below the ~115 L this pairing really wants — crowding raises aggression.
  • Keep Giant Danio 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)
  • Size gap is too large (250 vs 10 cm): Alligator Gar will treat Giant Danio as food.
  • Alligator Gar is aggressive and may chase or nip the smaller Giant Danio — plant heavily and break up sight lines.
  • Your 110 L tank is below the ~3785 L this pairing really wants — crowding raises aggression.
  • Keep Giant Danio 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)
  • Size gap is too large (90 vs 10 cm): Clown Knifefish will treat Giant Danio as food.
  • Expect Clown Knifefish to harass Giant Danio at times; give dense cover and watch them at feeding.
  • Your 110 L tank is below the ~750 L this pairing really wants — crowding raises aggression.
  • Keep Giant Danio 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)
  • Fire Eel (100 cm) is big enough to swallow the 10 cm Giant Danio whole.
  • Expect Fire Eel to harass Giant Danio at times; give dense cover and watch them at feeding.
  • Your 110 L tank is below the ~380 L this pairing really wants — crowding raises aggression.
  • Keep Giant Danio 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)
  • Giant Danio is bite-sized to a 90 cm koi — it will be eaten.
  • Your 110 L tank is below the ~3800 L this pairing really wants — crowding raises aggression.
  • Keep Giant Danio 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)
  • Size gap is too large (120 vs 10 cm): Redtail Catfish will treat Giant Danio as food.
  • Expect Redtail Catfish to harass Giant Danio at times; give dense cover and watch them at feeding.
  • Your 110 L tank is below the ~5700 L this pairing really wants — crowding raises aggression.
  • Keep Giant Danio 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)
  • Size gap is too large (90 vs 10 cm): Spotted Gar will treat Giant Danio as food.
  • Spotted Gar is aggressive and may chase or nip the smaller Giant Danio — plant heavily and break up sight lines.
  • Your 110 L tank is below the ~600 L this pairing really wants — crowding raises aggression.
  • Keep Giant Danio 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)
  • Wels Catfish (300 cm) is big enough to swallow the 10 cm Giant Danio whole.
  • Wels Catfish is aggressive and may chase or nip the smaller Giant Danio — plant heavily and break up sight lines.
  • Your 110 L tank is below the ~20000 L this pairing really wants — crowding raises aggression.
  • Keep Giant Danio in a shoal of 6+ or it gets stressed and nippy.
• Wolf Cichlid⛔ Not recommended
  Aggressive · 72 cm · Hard care · 24–30 °C (75–86 °F)
  • Size gap is too large (72 vs 10 cm): Wolf Cichlid will treat Giant Danio as food.
  • Wolf Cichlid clearly outsizes Giant Danio and is aggressive; risky unless the tank is big and well-planted.
  • Your 110 L tank is below the ~760 L this pairing really wants — crowding raises aggression.
  • Keep Giant Danio 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.