Boesemani Rainbowfish Tank Mates

• Bearded Corydoras✅ Compatible
  Peaceful · 10 cm · Medium care · 18–24 °C (64–75 °F)
  • Compatible on the things that matter: shared water near 24–24 °C, workable temperaments, and no predator-and-prey size gap.
  • Keep Boesemani Rainbowfish 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.
• 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 Boesemani Rainbowfish 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 24–28 °C, workable temperaments, and no predator-and-prey size gap.
  • Keep Boesemani Rainbowfish 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 24–28 °C — no size, zone or temperament conflicts.
  • Keep Boesemani 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 Boesemani Rainbowfish in a shoal of 6+ or it gets stressed and nippy.
• Convict Cichlid✅ Compatible
  Aggressive · 10 cm · Easy care · 21–28 °C (70–82 °F)
  • Peaceful + 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 Boesemani Rainbowfish in a shoal of 6+ or it gets stressed and nippy.
• Giant Danio✅ Compatible
  Peaceful · 10 cm · Easy care · 20–27 °C (68–81 °F)
  • Both are peaceful; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
  • Keep Boesemani Rainbowfish 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✅ 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 Boesemani Rainbowfish in a shoal of 6+ or it gets stressed and nippy.
• Golden Wonder Killifish✅ Compatible
  Semi-aggressive · 10 cm · Easy 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 Boesemani Rainbowfish 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)
  • 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 Boesemani Rainbowfish in a shoal of 6+ or it gets stressed and nippy.
• Kribensis✅ Compatible
  Semi-aggressive · 10 cm · Easy care · 24–27 °C (75–81 °F)
  • Compatible on the things that matter: shared water near 24–27 °C, workable temperaments, and no predator-and-prey size gap.
  • Keep Boesemani Rainbowfish 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)
  • Compatible on the things that matter: shared water near 25–28 °C, workable temperaments, and no predator-and-prey size gap.
  • Keep Boesemani Rainbowfish 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; 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 Boesemani Rainbowfish 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 24–26 °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 Boesemani Rainbowfish 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.
• Paradise Fish✅ Compatible
  Aggressive · 10 cm · Medium care · 16–26 °C (61–79 °F)
  • Compatible on the things that matter: shared water near 24–26 °C, workable temperaments, and no predator-and-prey size gap.
  • Keep Boesemani Rainbowfish in a shoal of 6+ or it gets stressed and nippy.
• Pearl Gourami✅ Compatible
  Peaceful · 12 cm · Medium care · 24–28 °C (75–82 °F)
  • Both are peaceful; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
  • Keep Boesemani 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)
  • Compatible on the things that matter: shared water near 24–28 °C, workable temperaments, and no predator-and-prey size gap.
  • Keep Boesemani Rainbowfish in a shoal of 6+ or it gets stressed and nippy.
• Rubber Lip Pleco✅ Compatible
  Peaceful · 12 cm · Easy care · 20–26 °C (68–79 °F)
  • Both are peaceful; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
  • Keep Boesemani Rainbowfish in a shoal of 6+ or it gets stressed and nippy.
• Silver Tetra✅ Compatible
  Peaceful · 9 cm · Easy care · 24–28 °C (75–82 °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 Boesemani Rainbowfish in a shoal of 6+ or it gets stressed and nippy.
  • Keep Silver Tetra 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 24–26 °C, workable temperaments, and no predator-and-prey size gap.
  • Keep Boesemani Rainbowfish 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 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 Boesemani Rainbowfish in a shoal of 6+ or it gets stressed and nippy.
• Topaz Cichlid✅ Compatible
  Semi-aggressive · 10 cm · Medium care · 23–28 °C (73–82 °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 Boesemani Rainbowfish 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 24–26 °C, workable temperaments, and no predator-and-prey size gap.
  • Keep Boesemani Rainbowfish 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 26–28 °C — no size, zone or temperament conflicts.
  • Keep Boesemani Rainbowfish in a shoal of 6+ or it gets stressed and nippy.
• Arrowhead Puffer⚠️ With caution
  Aggressive · 12 cm · Hard care · 23–28 °C (73–82 °F)
  • Arrowhead Puffer is aggressive and may chase or nip the smaller Boesemani Rainbowfish — plant heavily and break up sight lines.
  • Your 115 L tank is below the ~132 L this pairing really wants — crowding raises aggression.
  • Keep Boesemani Rainbowfish 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)
  • Expect Auratus Cichlid to harass Boesemani Rainbowfish at times; give dense cover and watch them at feeding.
  • Your 115 L tank is below the ~190 L this pairing really wants — crowding raises aggression.
  • Keep Boesemani Rainbowfish 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.
• Banded Gourami⚠️ With caution
  Semi-aggressive · 12 cm · Easy care · 22–28 °C (72–82 °F)
  • Expect Banded Gourami to harass Boesemani Rainbowfish at times; give dense cover and watch them at feeding.
  • Keep Boesemani Rainbowfish in a shoal of 6+ or it gets stressed and nippy.
• Bucktooth Tetra⚠️ With caution
  Aggressive · 12 cm · Medium care · 23–28 °C (73–82 °F)
  • Expect Bucktooth Tetra to harass Boesemani Rainbowfish at times; give dense cover and watch them at feeding.
  • Your 115 L tank is below the ~200 L this pairing really wants — crowding raises aggression.
  • Keep Boesemani Rainbowfish in a shoal of 6+ or it gets stressed and nippy.
  • Keep Bucktooth Tetra in a shoal of 8+ or it gets stressed and nippy.
• Cupid Cichlid⚠️ With caution
  Semi-aggressive · 12 cm · Medium care · 24–29 °C (75–84 °F)
  • Different pH ranges (7.5–8.5 vs 5–7); doable if you sit in the shared band, but not ideal long-term.
  • Water hardness preferences differ (Boesemani Rainbowfish 10–20 vs Cupid Cichlid 1–8 dGH).
  • Cupid Cichlid and Boesemani Rainbowfish are close in size, but the semi-aggressive one tends to dominate — add boesemani rainbowfish in a group to spread the pressure.
  • Keep Boesemani Rainbowfish 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 (7.5–8.5 vs 5–7); doable if you sit in the shared band, but not ideal long-term.
  • Water hardness preferences differ (Boesemani Rainbowfish 10–20 vs Giant Betta 1–8 dGH).
  • Keep Boesemani Rainbowfish 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)
  • Expect Golden Vampire Pleco to harass Boesemani Rainbowfish at times; give dense cover and watch them at feeding.
  • Your 115 L tank is below the ~120 L this pairing really wants — crowding raises aggression.
  • Keep Boesemani Rainbowfish in a shoal of 6+ or it gets stressed and nippy.
• Ice Blue Cichlid⚠️ With caution
  Aggressive · 12 cm · Medium care · 24–28 °C (75–82 °F)
  • Ice Blue Cichlid and Boesemani Rainbowfish are close in size, but the aggressive one tends to dominate — add boesemani rainbowfish in a group to spread the pressure.
  • Your 115 L tank is below the ~190 L this pairing really wants — crowding raises aggression.
  • Keep Boesemani Rainbowfish 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)
  • Your 115 L tank is below the ~200 L this pairing really wants — crowding raises aggression.
  • Keep Boesemani Rainbowfish 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 (Boesemani Rainbowfish 7.5–8.5 vs Medusa Pleco 6.4–7.4) — target the overlap and acclimate slowly.
  • Keep Boesemani Rainbowfish in a shoal of 6+ or it gets stressed and nippy.
• Pictus Catfish⚠️ With caution
  Semi-aggressive · 12 cm · Medium care · 22–27 °C (72–81 °F)
  • Expect Pictus Catfish to harass Boesemani Rainbowfish at times; give dense cover and watch them at feeding.
  • Your 115 L tank is below the ~210 L this pairing really wants — crowding raises aggression.
  • Keep Boesemani Rainbowfish in a shoal of 6+ or it gets stressed and nippy.
• Powder Blue Cichlid⚠️ With caution
  Semi-aggressive · 12 cm · Medium care · 24–28 °C (75–82 °F)
  • Powder Blue Cichlid is semi-aggressive and may chase or nip the smaller Boesemani Rainbowfish — plant heavily and break up sight lines.
  • Your 115 L tank is below the ~170 L this pairing really wants — crowding raises aggression.
  • Keep Boesemani Rainbowfish in a shoal of 6+ or it gets stressed and nippy.
  • Keep Powder Blue 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 (7.5–8.5 vs 6–7.2); doable if you sit in the shared band, but not ideal long-term.
  • Keep Boesemani Rainbowfish in a shoal of 6+ or it gets stressed and nippy.
• T-bar Cichlid⚠️ With caution
  Semi-aggressive · 12 cm · Medium care · 22–28 °C (72–82 °F)
  • T-bar Cichlid and Boesemani Rainbowfish are close in size, but the semi-aggressive one tends to dominate — add boesemani rainbowfish in a group to spread the pressure.
  • Your 115 L tank is below the ~120 L this pairing really wants — crowding raises aggression.
  • Keep Boesemani Rainbowfish in a shoal of 6+ or it gets stressed and nippy.
• Tiger Betta⚠️ With caution
  Semi-aggressive · 11 cm · Hard care · 22–27 °C (72–81 °F)
  • Different pH ranges (7.5–8.5 vs 5–7); doable if you sit in the shared band, but not ideal long-term.
  • Water hardness preferences differ (Boesemani Rainbowfish 10–20 vs Tiger Betta 0–8 dGH).
  • Expect Tiger Betta to harass Boesemani Rainbowfish at times; give dense cover and watch them at feeding.
  • Keep Boesemani Rainbowfish in a shoal of 6+ or it gets stressed and nippy.
• White Spotted Cichlid⚠️ With caution
  Aggressive · 12 cm · Hard care · 24–28 °C (75–82 °F)
  • White Spotted Cichlid and Boesemani Rainbowfish are close in size, but the aggressive one tends to dominate — add boesemani rainbowfish in a group to spread the pressure.
  • Your 115 L tank is below the ~200 L this pairing really wants — crowding raises aggression.
  • Keep Boesemani Rainbowfish in a shoal of 6+ or it gets stressed and nippy.
  • Keep White Spotted Cichlid in a shoal of 8+ or it gets stressed and nippy.
• Alligator Gar⛔ Not recommended
  Aggressive · 250 cm · Hard care · 24–28 °C (75–82 °F)
  • Alligator Gar (250 cm) is big enough to swallow the 11 cm Boesemani Rainbowfish whole.
  • Expect Alligator Gar to harass Boesemani Rainbowfish at times; give dense cover and watch them at feeding.
  • Your 115 L tank is below the ~3785 L this pairing really wants — crowding raises aggression.
  • Keep Boesemani Rainbowfish 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 11 cm): Clown Knifefish will treat Boesemani Rainbowfish as food.
  • Clown Knifefish is aggressive and may chase or nip the smaller Boesemani Rainbowfish — plant heavily and break up sight lines.
  • Your 115 L tank is below the ~750 L this pairing really wants — crowding raises aggression.
  • Keep Boesemani Rainbowfish 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)
  • Size gap is too large (100 vs 11 cm): Fire Eel will treat Boesemani Rainbowfish as food.
  • Expect Fire Eel to harass Boesemani Rainbowfish at times; give dense cover and watch them at feeding.
  • Your 115 L tank is below the ~380 L this pairing really wants — crowding raises aggression.
  • Keep Boesemani Rainbowfish 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)
  • Koi (90 cm) is big enough to swallow the 11 cm Boesemani Rainbowfish whole.
  • Your 115 L tank is below the ~3800 L this pairing really wants — crowding raises aggression.
  • Keep Boesemani Rainbowfish 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)
  • Boesemani Rainbowfish is bite-sized to a 120 cm predatory redtail catfish — it will be eaten.
  • Redtail Catfish is aggressive and may chase or nip the smaller Boesemani Rainbowfish — plant heavily and break up sight lines.
  • Your 115 L tank is below the ~5700 L this pairing really wants — crowding raises aggression.
  • Keep Boesemani Rainbowfish 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 11 cm): Spotted Gar will treat Boesemani Rainbowfish as food.
  • Spotted Gar is aggressive and may chase or nip the smaller Boesemani Rainbowfish — plant heavily and break up sight lines.
  • Your 115 L tank is below the ~600 L this pairing really wants — crowding raises aggression.
  • Keep Boesemani Rainbowfish 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)
  • Size gap is too large (300 vs 11 cm): Wels Catfish will treat Boesemani Rainbowfish as food.
  • Expect Wels Catfish to harass Boesemani Rainbowfish at times; give dense cover and watch them at feeding.
  • Your 115 L tank is below the ~20000 L this pairing really wants — crowding raises aggression.
  • Keep Boesemani Rainbowfish 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)
  • Wolf Cichlid (72 cm) is big enough to swallow the 11 cm Boesemani Rainbowfish whole.
  • Expect Wolf Cichlid to harass Boesemani Rainbowfish at times; give dense cover and watch them at feeding.
  • Your 115 L tank is below the ~760 L this pairing really wants — crowding raises aggression.
  • Keep Boesemani Rainbowfish 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.