Pearl Gourami Tank Mates

Pearl Gourami is peaceful, so its tank mates need choosing with care. Here are the 176 freshwater species that pair well with a pearl gourami — plus the 41 to avoid — with a live checker you can tune to your own tank.

By The Aquarium DB Team • Updated June 7, 2026 • Full Pearl Gourami care guide →
Best matches

The best tank mates for a pearl gourami

  • Ember Tetra ✅ Compatible
    Easy care · Peaceful · 2 cm · 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.
  • Neon Green Rasbora ✅ Compatible
    Easy care · Peaceful · 2 cm · 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.
  • Ramshorn Snail ✅ Compatible
    Easy care · Peaceful · 2 cm · 20–28 °C (68–82 °F)
    Both are peaceful, and their water overlaps around 24–28 °C — no size, zone or temperament conflicts.
  • Red Lip Nerite Snail ✅ Compatible
    Easy care · Peaceful · 2 cm · 22–28 °C (72–82 °F)
    Both are peaceful, and their water overlaps around 24–28 °C — no size, zone or temperament conflicts.
  • Dawn Tetra ✅ Compatible
    Easy care · Peaceful · 2.5 cm · 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.
  • Nerite Snail ✅ Compatible
    Easy care · Peaceful · 2.5 cm · 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.
  • Assassin Snail ✅ Compatible
    Easy care · Peaceful · 3 cm · 22–26 °C (72–79 °F)
    Both are peaceful, and their water overlaps around 24–26 °C — no size, zone or temperament conflicts.
  • Endler's Livebearer ✅ Compatible
    Easy care · Peaceful · 3 cm · 22–28 °C (72–82 °F)
    Both are peaceful, and their water overlaps around 24–28 °C — no size, zone or temperament conflicts.
  • Glowlight Danio ✅ Compatible
    Easy care · Peaceful · 3 cm · 22–26 °C (72–79 °F)
    Both are peaceful; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
  • Gold Ring Danio ✅ Compatible
    Easy care · Peaceful · 3 cm · 18–26 °C (64–79 °F)
    Both are peaceful; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
  • Malaysian Trumpet Snail ✅ Compatible
    Easy care · Peaceful · 3 cm · 21–27 °C (70–81 °F)
    Both are peaceful; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
  • Neon Tetra ✅ Compatible
    Easy care · Peaceful · 3 cm · 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.
  • Tail-spot Corydoras ✅ Compatible
    Easy care · Peaceful · 3 cm · 22–28 °C (72–82 °F)
    Both are peaceful, and their water overlaps around 24–28 °C — no size, zone or temperament conflicts.
  • Trinidad Guppy ✅ Compatible
    Easy care · Peaceful · 3 cm · 19–24 °C (66–75 °F)
    Both are peaceful; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
  • Pygmy Corydoras ✅ Compatible
    Easy care · Peaceful · 3.2 cm · 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.
  • Glowlight Rasbora ✅ Compatible
    Easy care · Peaceful · 3.5 cm · 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.
  • Blue Danio ✅ Compatible
    Easy care · Peaceful · 4 cm · 21–26 °C (70–79 °F)
    Both are peaceful; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
  • Emperor Tetra ✅ Compatible
    Easy care · Peaceful · 4 cm · 23–27 °C (73–81 °F)
    Both are peaceful, and their water overlaps around 24–27 °C — no size, zone or temperament conflicts.
  • Flame Tetra ✅ Compatible
    Easy care · Peaceful · 4 cm · 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.
  • Glowlight Tetra ✅ Compatible
    Easy care · Peaceful · 4 cm · 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.
  • Golden Dwarf Barb ✅ Compatible
    Easy care · Peaceful · 4 cm · 18–24 °C (64–75 °F)
    Both are peaceful; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
  • Phoenix Tetra ✅ Compatible
    Easy care · Peaceful · 4 cm · 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.
  • Red Phantom Tetra ✅ Compatible
    Easy care · Peaceful · 4 cm · 22–28 °C (72–82 °F)
    Both are peaceful, and their water overlaps around 24–28 °C — no size, zone or temperament conflicts.
  • Rosy Tetra ✅ Compatible
    Easy care · Peaceful · 4 cm · 22–28 °C (72–82 °F)
    Both are peaceful, and their water overlaps around 24–28 °C — no size, zone or temperament conflicts.
With caution

Pearl Gourami tank mates that can work with care

  • Afra Cichlid ⚠️ With caution
    Medium care · Semi-aggressive · 10 cm · 24–28 °C (75–82 °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.
  • Altifrons Geophagus ⚠️ With caution
    Medium care · Semi-aggressive · 25 cm · 24–28 °C (75–82 °F)
    Altifrons Geophagus clearly outsizes Pearl Gourami and is semi-aggressive; risky unless the tank is big and well-planted.
  • Amano Shrimp ⚠️ With caution
    Easy care · Peaceful · 5 cm · 18–28 °C (64–82 °F)
    Pearl Gourami may eat Amano Shrimp or pick off its shrimplets — a densely planted tank with moss gives them a fighting chance.
  • Amazon Puffer ⚠️ With caution
    Medium care · Peaceful · 8 cm · 23–28 °C (73–82 °F)
    Your 115 L tank is below the ~120 L this pairing really wants — crowding raises aggression.
  • Angelfish ⚠️ With caution
    Medium care · Semi-aggressive · 15 cm · 24–30 °C (75–86 °F)
    Angelfish and Pearl Gourami are close in size, but the semi-aggressive one tends to dominate — add pearl gourami in a group to spread the pressure.
  • Angelicus Synodontis ⚠️ With caution
    Medium care · Semi-aggressive · 25 cm · 23–27 °C (73–81 °F)
    Angelicus Synodontis is semi-aggressive and may chase or nip the smaller Pearl Gourami — plant heavily and break up sight lines.
  • Arrowhead Puffer ⚠️ With caution
    Hard care · Aggressive · 12 cm · 23–28 °C (73–82 °F)
    Arrowhead Puffer is aggressive and may chase or nip the smaller Pearl Gourami — plant heavily and break up sight lines.
  • Auratus Cichlid ⚠️ With caution
    Medium care · Aggressive · 11 cm · 23–28 °C (73–82 °F)
    pH preferences only just meet (Pearl Gourami 6–7.5 vs Auratus Cichlid 7.6–8.8) — target the overlap and acclimate slowly.

+ 115 more “with caution” pairings — see the interactive checker above.

Avoid

Fish to avoid keeping with a pearl gourami

  • Wels Catfish ⛔ Avoid
    Hard care · Aggressive · 300 cm · 15–25 °C (59–77 °F)
    Wels Catfish (300 cm) is big enough to swallow the 12 cm Pearl Gourami whole.
  • Alligator Gar ⛔ Avoid
    Hard care · Aggressive · 250 cm · 24–28 °C (75–82 °F)
    Size gap is too large (250 vs 12 cm): Alligator Gar will treat Pearl Gourami as food.
  • Redtail Catfish ⛔ Avoid
    Hard care · Aggressive · 120 cm · 24–27 °C (75–81 °F)
    Pearl Gourami is bite-sized to a 120 cm predatory redtail catfish — it will be eaten.
  • Fire Eel ⛔ Avoid
    Medium care · Semi-aggressive · 100 cm · 24–28 °C (75–82 °F)
    Size gap is too large (100 vs 12 cm): Fire Eel will treat Pearl Gourami as food.
  • Clown Knifefish ⛔ Avoid
    Hard care · Aggressive · 90 cm · 24–28 °C (75–82 °F)
    Pearl Gourami is bite-sized to a 90 cm predatory clown knifefish — it will be eaten.
  • Koi ⛔ Avoid
    Medium care · Peaceful · 90 cm · 4–28 °C (39–82 °F)
    Size gap is too large (90 vs 12 cm): Koi will treat Pearl Gourami as food.
  • Spotted Gar ⛔ Avoid
    Hard care · Aggressive · 90 cm · 18–26 °C (64–79 °F)
    Pearl Gourami is bite-sized to a 90 cm predatory spotted gar — it will be eaten.
  • Wolf Cichlid ⛔ Avoid
    Hard care · Aggressive · 72 cm · 24–30 °C (75–86 °F)
    Pearl Gourami is bite-sized to a 72 cm predatory wolf cichlid — it will be eaten.

+ 33 more to avoid — the checker above flags every one.

Interactive tool

Check any fish against a pearl gourami

Dial in your exact tank size and filter by result — the checker scores every species in our database against a pearl gourami, with the reasoning for each verdict.

Tank-mate checker

Will it live with a Pearl Gourami?

We compare each fish against your pearl gourami on temperament, size, water parameters and swimming zone. Set your tank size and filter the results.

  • Banjo Catfish✅ Compatible
    Peaceful · 15 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.
  • 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 Bearded Corydoras in a shoal of 6+ or it gets stressed and nippy.
  • Boesemani Rainbowfish✅ Compatible
    Peaceful · 11 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.
  • 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.
  • Clown Rasbora✅ Compatible
    Peaceful · 10 cm · Medium care · 23–28 °C (73–82 °F)
    • Both are peaceful, and their water overlaps around 24–28 °C — no size, zone or temperament conflicts.
    • Keep Clown Rasbora 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, and their water overlaps around 24–28 °C — no size, zone or temperament conflicts.
  • Giant Betta✅ 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.
  • 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.
    • Both favour the top of the tank — offer enough cover so they aren't always in each other's space.
    • 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, and their water overlaps around 24–28 °C — no size, zone or temperament conflicts.
  • 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, and their water overlaps around 24–28 °C — no size, zone or temperament conflicts.
    • Both favour the top of the tank — offer enough cover so they aren't always in each other's space.
  • Keyhole Cichlid✅ Compatible
    Peaceful · 10 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.
  • 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.
  • Kuhli Loach✅ Compatible
    Peaceful · 10 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.
  • Marbled Hoplo✅ Compatible
    Peaceful · 14 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.
  • Medusa Pleco✅ Compatible
    Peaceful · 12 cm · Medium care · 26–30 °C (79–86 °F)
    • Both are peaceful, and their water overlaps around 26–28 °C — no size, zone or temperament conflicts.
  • 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.
  • Murray River Rainbowfish✅ Compatible
    Peaceful · 11 cm · Easy care · 15–26 °C (59–79 °F)
    • Both are peaceful, and their water overlaps around 24–26 °C — no size, zone or temperament conflicts.
    • 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)
    • Compatible on the things that matter: shared water near 24–28 °C, workable temperaments, and no predator-and-prey size gap.
  • Rubber Lip Pleco✅ Compatible
    Peaceful · 12 cm · Easy 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.
  • Spotted Rubbernose Pleco✅ Compatible
    Peaceful · 12 cm · Medium care · 20–26 °C (68–79 °F)
    • Both are peaceful, and their water overlaps around 24–26 °C — no size, zone or temperament conflicts.
  • Striped Eel Loach✅ 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.
  • Topaz Cichlid✅ Compatible
    Semi-aggressive · 10 cm · Medium care · 23–28 °C (73–82 °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.
  • Upside-down Catfish✅ Compatible
    Peaceful · 10 cm · Easy care · 22–26 °C (72–79 °F)
    • Both are peaceful; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
  • Zebra Pleco✅ Compatible
    Peaceful · 10 cm · Hard care · 26–30 °C (79–86 °F)
    • Both are peaceful; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
  • 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 Pearl Gourami — plant heavily and break up sight lines.
    • Your 115 L tank is below the ~132 L this pairing really wants — crowding raises aggression.
  • Auratus Cichlid⚠️ With caution
    Aggressive · 11 cm · Medium care · 23–28 °C (73–82 °F)
    • pH preferences only just meet (Pearl Gourami 6–7.5 vs Auratus Cichlid 7.6–8.8) — 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.
    • Your 115 L tank is below the ~190 L this pairing really wants — crowding raises aggression.
    • 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 Pearl Gourami at times; give dense cover and watch them at feeding.
    • Pearl Gourami and Banded Gourami are both labyrinth fish and often treat each other as rivals — give a large, broken-up tank and be ready to separate them.
  • Blue Gourami⚠️ With caution
    Semi-aggressive · 13 cm · Easy care · 22–28 °C (72–82 °F)
    • Blue Gourami and Pearl Gourami are close in size, but the semi-aggressive one tends to dominate — add pearl gourami in a group to spread the pressure.
    • Pearl Gourami and Blue Gourami are both labyrinth fish and often treat each other as rivals — give a large, broken-up tank and be ready to separate them.
  • Bucktooth Tetra⚠️ With caution
    Aggressive · 12 cm · Medium care · 23–28 °C (73–82 °F)
    • Bucktooth Tetra and Pearl Gourami are close in size, but the aggressive one tends to dominate — add pearl gourami in a group to spread the pressure.
    • Your 115 L tank is below the ~200 L this pairing really wants — crowding raises aggression.
    • 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)
    • Expect Cupid Cichlid to harass Pearl Gourami at times; give dense cover and watch them at feeding.
  • Golden Vampire Pleco⚠️ With caution
    Semi-aggressive · 11 cm · Medium care · 26–30 °C (79–86 °F)
    • Your 115 L tank is below the ~120 L this pairing really wants — crowding raises aggression.
  • Ice Blue Cichlid⚠️ With caution
    Aggressive · 12 cm · Medium care · 24–28 °C (75–82 °F)
    • Different pH ranges (6–7.5 vs 7.6–8.6); doable if you sit in the shared band, but not ideal long-term.
    • Expect Ice Blue Cichlid to harass Pearl Gourami 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.
  • 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 Mascara Barb in a shoal of 8+ or it gets stressed and nippy.
  • Pictus Catfish⚠️ With caution
    Semi-aggressive · 12 cm · Medium care · 22–27 °C (72–81 °F)
    • Pictus Catfish is semi-aggressive and may chase or nip the smaller Pearl Gourami — plant heavily and break up sight lines.
    • Your 115 L tank is below the ~210 L this pairing really wants — crowding raises aggression.
  • Polka-dot Loach⚠️ With caution
    Semi-aggressive · 13 cm · Medium care · 24–28 °C (75–82 °F)
    • Expect Polka-dot Loach to harass Pearl Gourami 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.
  • 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 Pearl Gourami — plant heavily and break up sight lines.
    • Your 115 L tank is below the ~170 L this pairing really wants — crowding raises aggression.
    • Keep Powder Blue Cichlid in a shoal of 6+ or it gets stressed and nippy.
  • Red Zebra Cichlid⚠️ With caution
    Aggressive · 13 cm · Medium care · 23–28 °C (73–82 °F)
    • Different pH ranges (6–7.5 vs 7.6–8.6); doable if you sit in the shared band, but not ideal long-term.
    • Expect Red Zebra Cichlid to harass Pearl Gourami 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 Red Zebra Cichlid 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 is semi-aggressive and may chase or nip the smaller Pearl Gourami — plant heavily and break up sight lines.
    • Your 115 L tank is below the ~120 L this pairing really wants — crowding raises aggression.
  • Tiger Betta⚠️ With caution
    Semi-aggressive · 11 cm · Hard care · 22–27 °C (72–81 °F)
    • Pearl Gourami and Tiger Betta are both labyrinth fish and often treat each other as rivals — give a large, broken-up tank and be ready to separate them.
  • White Spotted Cichlid⚠️ With caution
    Aggressive · 12 cm · Hard care · 24–28 °C (75–82 °F)
    • pH preferences only just meet (Pearl Gourami 6–7.5 vs White Spotted Cichlid 7.8–9) — target the overlap and acclimate slowly.
    • White Spotted Cichlid and Pearl Gourami are close in size, but the aggressive one tends to dominate — add pearl gourami in a group to spread the pressure.
    • Your 115 L tank is below the ~200 L this pairing really wants — crowding raises aggression.
    • 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)
    • Size gap is too large (250 vs 12 cm): Alligator Gar will treat Pearl Gourami as food.
    • Alligator Gar is aggressive and may chase or nip the smaller Pearl Gourami — plant heavily and break up sight lines.
    • Your 115 L tank is below the ~3785 L this pairing really wants — crowding raises aggression.
  • Clown Knifefish⛔ Not recommended
    Aggressive · 90 cm · Hard care · 24–28 °C (75–82 °F)
    • Pearl Gourami is bite-sized to a 90 cm predatory clown knifefish — it will be eaten.
    • Clown Knifefish is aggressive and may chase or nip the smaller Pearl Gourami — plant heavily and break up sight lines.
    • Your 115 L tank is below the ~750 L this pairing really wants — crowding raises aggression.
  • Fire Eel⛔ Not recommended
    Semi-aggressive · 100 cm · Medium care · 24–28 °C (75–82 °F)
    • Size gap is too large (100 vs 12 cm): Fire Eel will treat Pearl Gourami as food.
    • Fire Eel is semi-aggressive and may chase or nip the smaller Pearl Gourami — plant heavily and break up sight lines.
    • Your 115 L tank is below the ~380 L this pairing really wants — crowding raises aggression.
  • Koi⛔ Not recommended
    Peaceful · 90 cm · Medium care · 4–28 °C (39–82 °F)
    • Size gap is too large (90 vs 12 cm): Koi will treat Pearl Gourami as food.
    • Your 115 L tank is below the ~3800 L this pairing really wants — crowding raises aggression.
  • Redtail Catfish⛔ Not recommended
    Aggressive · 120 cm · Hard care · 24–27 °C (75–81 °F)
    • Pearl Gourami 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 Pearl Gourami — plant heavily and break up sight lines.
    • Your 115 L tank is below the ~5700 L this pairing really wants — crowding raises aggression.
  • Spotted Gar⛔ Not recommended
    Aggressive · 90 cm · Hard care · 18–26 °C (64–79 °F)
    • Pearl Gourami is bite-sized to a 90 cm predatory spotted gar — it will be eaten.
    • Spotted Gar is aggressive and may chase or nip the smaller Pearl Gourami — plant heavily and break up sight lines.
    • Your 115 L tank is below the ~600 L this pairing really wants — crowding raises aggression.
  • 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 12 cm Pearl Gourami whole.
    • Wels Catfish is aggressive and may chase or nip the smaller Pearl Gourami — plant heavily and break up sight lines.
    • Your 115 L tank is below the ~20000 L this pairing really wants — crowding raises aggression.
  • Wolf Cichlid⛔ Not recommended
    Aggressive · 72 cm · Hard care · 24–30 °C (75–86 °F)
    • Pearl Gourami is bite-sized to a 72 cm predatory wolf cichlid — it will be eaten.
    • Wolf Cichlid clearly outsizes Pearl Gourami and is aggressive; risky unless the tank is big and well-planted.
    • Your 115 L tank is below the ~760 L this pairing really wants — crowding raises aggression.

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.

Setting up a pearl gourami community tank

Give the group a stable, planted 115 L+ tank with a gentle filter, a reliable heater and plenty of cover — broken sight lines and hiding spots let mid-water and bottom dwellers keep out of each other's way. Cycle it fully and stock gradually.

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How to choose

How to choose the right tank mates for a pearl gourami

As a peaceful species, pearl gourami is easily bullied — favour other calm, non-nippy fish and steer clear of boisterous or aggressive tank mates. It mostly occupies the top of the tank, so it pairs naturally with species that use the other levels.

Pearl Gourami grows to about 12 cm, so avoid tank mates small enough to be seen as food — as a rule of thumb, skip anything under roughly 6 cm. Match its water, too: aim for 24–28 °C (75–82 °F), pH 6–7.5 and 5–15 dGH. Fish needing very different conditions — coldwater species, or hard-water lovers against a soft-water fish — rarely thrive side by side.

Pearl Gourami is a shoaling fish — stock a group of 2+ of its own kind first, then build compatible tank mates around them. Whatever you add, introduce new fish slowly, watch for bullying in the first days, and have a backup plan if temperaments clash.

FAQ

Frequently asked questions

Can a pearl gourami live with other fish?

Yes — with the right companions. Our checker finds 176 compatible freshwater species for pearl gourami. Pick calm, similarly-sized fish that share its water needs and add them to a mature, well-planted tank.

What is the best tank mate for a pearl gourami?

Easy, peaceful, similarly-sized species top the list — for example Ember Tetra, Neon Green Rasbora, Ramshorn Snail. Use the checker above to match against your own tank size.

What fish should you avoid keeping with a pearl gourami?

Avoid Wels Catfish, Alligator Gar, Redtail Catfish and similar — usually a temperature, size or temperament clash. The full "avoid" list below gives the reason for each.

How big a tank do pearl gourami tank mates need?

Start from Pearl Gourami's own minimum and scale up with every addition. The checker above defaults to a 115 L community tank and flags pairings that need more room — drag the slider to match your setup.

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