Marbled Hoplo Tank Mates
Marbled Hoplo is peaceful, so its tank mates need choosing with care. Here are the 187 freshwater species that pair well with a marbled hoplo — plus the 0 to avoid — with a live checker you can tune to your own tank.
The best tank mates for a marbled hoplo
- Ember Tetra ✅ CompatibleEasy 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 ✅ CompatibleEasy care · Peaceful · 2 cm · 22–26 °C (72–79 °F)Both are peaceful, and their water overlaps around 22–26 °C — no size, zone or temperament conflicts.
- Ramshorn Snail ✅ CompatibleEasy care · Peaceful · 2 cm · 20–28 °C (68–82 °F)Both are peaceful, and their water overlaps around 22–28 °C — no size, zone or temperament conflicts.
- Red Lip Nerite Snail ✅ CompatibleEasy care · Peaceful · 2 cm · 22–28 °C (72–82 °F)Both are peaceful, and their water overlaps around 22–28 °C — no size, zone or temperament conflicts.
- Dawn Tetra ✅ CompatibleEasy care · Peaceful · 2.5 cm · 22–28 °C (72–82 °F)Both are peaceful, and their water overlaps around 22–28 °C — no size, zone or temperament conflicts.
- Nerite Snail ✅ CompatibleEasy care · Peaceful · 2.5 cm · 22–28 °C (72–82 °F)Compatible on the things that matter: shared water near 22–28 °C, workable temperaments, and no predator-and-prey size gap.
- Assassin Snail ✅ CompatibleEasy care · Peaceful · 3 cm · 22–26 °C (72–79 °F)Compatible on the things that matter: shared water near 22–26 °C, workable temperaments, and no predator-and-prey size gap.
- Endler's Livebearer ✅ CompatibleEasy care · Peaceful · 3 cm · 22–28 °C (72–82 °F)Compatible on the things that matter: shared water near 22–28 °C, workable temperaments, and no predator-and-prey size gap.
- Glowlight Danio ✅ CompatibleEasy care · Peaceful · 3 cm · 22–26 °C (72–79 °F)Compatible on the things that matter: shared water near 22–26 °C, workable temperaments, and no predator-and-prey size gap.
- Gold Ring Danio ✅ CompatibleEasy care · Peaceful · 3 cm · 18–26 °C (64–79 °F)Both are peaceful, and their water overlaps around 22–26 °C — no size, zone or temperament conflicts.
- Malaysian Trumpet Snail ✅ CompatibleEasy care · Peaceful · 3 cm · 21–27 °C (70–81 °F)Compatible on the things that matter: shared water near 22–27 °C, workable temperaments, and no predator-and-prey size gap.
- Neon Tetra ✅ CompatibleEasy care · Peaceful · 3 cm · 20–26 °C (68–79 °F)Both are peaceful, and their water overlaps around 22–26 °C — no size, zone or temperament conflicts.
- Tail-spot Corydoras ✅ CompatibleEasy care · Peaceful · 3 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.
- Trinidad Guppy ✅ CompatibleEasy care · Peaceful · 3 cm · 19–24 °C (66–75 °F)Compatible on the things that matter: shared water near 22–24 °C, workable temperaments, and no predator-and-prey size gap.
- Pygmy Corydoras ✅ CompatibleEasy care · Peaceful · 3.2 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.
- Glowlight Rasbora ✅ CompatibleEasy care · Peaceful · 3.5 cm · 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.
- Blue Danio ✅ CompatibleEasy 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 ✅ CompatibleEasy care · Peaceful · 4 cm · 23–27 °C (73–81 °F)Both are peaceful, and their water overlaps around 23–27 °C — no size, zone or temperament conflicts.
- Flame Tetra ✅ CompatibleEasy care · Peaceful · 4 cm · 22–28 °C (72–82 °F)Both are peaceful, and their water overlaps around 22–28 °C — no size, zone or temperament conflicts.
- Glowlight Tetra ✅ CompatibleEasy care · Peaceful · 4 cm · 22–28 °C (72–82 °F)Compatible on the things that matter: shared water near 22–28 °C, workable temperaments, and no predator-and-prey size gap.
- Golden Dwarf Barb ✅ CompatibleEasy care · Peaceful · 4 cm · 18–24 °C (64–75 °F)Both are peaceful, and their water overlaps around 22–24 °C — no size, zone or temperament conflicts.
- Phoenix Tetra ✅ CompatibleEasy care · Peaceful · 4 cm · 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.
- Red Phantom Tetra ✅ CompatibleEasy care · Peaceful · 4 cm · 22–28 °C (72–82 °F)Compatible on the things that matter: shared water near 22–28 °C, workable temperaments, and no predator-and-prey size gap.
- Rosy Tetra ✅ CompatibleEasy care · Peaceful · 4 cm · 22–28 °C (72–82 °F)Compatible on the things that matter: shared water near 22–28 °C, workable temperaments, and no predator-and-prey size gap.
Marbled Hoplo tank mates that can work with care
- Afra Cichlid ⚠️ With cautionMedium care · Semi-aggressive · 10 cm · 24–28 °C (75–82 °F)Your 80 L tank is below the ~150 L this pairing really wants — crowding raises aggression.
- Alligator Gar ⚠️ With cautionHard care · Aggressive · 250 cm · 24–28 °C (75–82 °F)Alligator Gar may bully the smaller Marbled Hoplo, though its armour makes it a hard meal — give it caves and driftwood to retreat into.
- Altifrons Geophagus ⚠️ With cautionMedium care · Semi-aggressive · 25 cm · 24–28 °C (75–82 °F)Your 80 L tank is below the ~378 L this pairing really wants — crowding raises aggression.
- Amano Shrimp ⚠️ With cautionEasy care · Peaceful · 5 cm · 18–28 °C (64–82 °F)Adult Amano Shrimp might survive with Marbled Hoplo, but expect the young to be eaten — plant heavily.
- Amazon Puffer ⚠️ With cautionMedium care · Peaceful · 8 cm · 23–28 °C (73–82 °F)Your 80 L tank is below the ~120 L this pairing really wants — crowding raises aggression.
- Angelfish ⚠️ With cautionMedium care · Semi-aggressive · 15 cm · 24–30 °C (75–86 °F)Your 80 L tank is below the ~110 L this pairing really wants — crowding raises aggression.
- Angelicus Synodontis ⚠️ With cautionMedium care · Semi-aggressive · 25 cm · 23–27 °C (73–81 °F)Your 80 L tank is below the ~200 L this pairing really wants — crowding raises aggression.
- Arrowhead Puffer ⚠️ With cautionHard care · Aggressive · 12 cm · 23–28 °C (73–82 °F)Your 80 L tank is below the ~132 L this pairing really wants — crowding raises aggression.
+ 145 more “with caution” pairings — see the interactive checker above.
Fish to avoid keeping with a marbled hoplo
No outright no-gos among the species in our database yet — but always avoid fish much larger, much more aggressive, or needing very different water.
Check any fish against a marbled hoplo
Dial in your exact tank size and filter by result — the checker scores every species in our database against a marbled hoplo, with the reasoning for each verdict.
Tank-mate checker
Will it live with a Marbled Hoplo?
We compare each fish against your marbled hoplo on temperament, size, water parameters and swimming zone. Set your tank size and filter the results.
- Agassiz's Dwarf Cichlid✅ CompatibleSemi-aggressive · 9 cm · Medium care · 24–30 °C (75–86 °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.
- Both favour the bottom of the tank — offer enough cover so they aren't always in each other's space.
- Banded Gourami✅ CompatibleSemi-aggressive · 12 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.
- Banjo Catfish✅ CompatiblePeaceful · 15 cm · Medium 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.
- Both favour the bottom of the tank — offer enough cover so they aren't always in each other's space.
- Bearded Corydoras✅ CompatiblePeaceful · 10 cm · Medium care · 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.
- Both favour the bottom of the tank — offer enough cover so they aren't always in each other's space.
- Keep Bearded Corydoras in a shoal of 6+ or it gets stressed and nippy.
- Brilliant Rasbora✅ CompatiblePeaceful · 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 Brilliant Rasbora in a shoal of 6+ or it gets stressed and nippy.
- Burmese Loach✅ CompatiblePeaceful · 9 cm · Easy care · 22–28 °C (72–82 °F)
- Both are peaceful, and their water overlaps around 22–28 °C — no size, zone or temperament conflicts.
- Both favour the bottom of the tank — offer enough cover so they aren't always in each other's space.
- Clown Pleco✅ CompatiblePeaceful · 9 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.
- Both favour the bottom of the tank — offer enough cover so they aren't always in each other's space.
- Giant Betta✅ CompatiblePeaceful · 12 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.
- Giant Kuhli Loach✅ CompatiblePeaceful · 12 cm · Easy care · 24–30 °C (75–86 °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 bottom of the tank — offer enough cover so they aren't always in each other's space.
- Golden Wonder Killifish✅ CompatibleSemi-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.
- Keyhole Cichlid✅ CompatiblePeaceful · 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.
- Kribensis✅ CompatibleSemi-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.
- Both favour the bottom of the tank — offer enough cover so they aren't always in each other's space.
- Kuhli Loach✅ CompatiblePeaceful · 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.
- Both favour the bottom of the tank — offer enough cover so they aren't always in each other's space.
- Leopard Frog Pleco✅ CompatiblePeaceful · 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.
- Both favour the bottom of the tank — offer enough cover so they aren't always in each other's space.
- Molly✅ CompatiblePeaceful · 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✅ CompatiblePeaceful · 11 cm · Easy care · 15–26 °C (59–79 °F)
- Both are peaceful; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
- Keep Murray River Rainbowfish in a shoal of 6+ or it gets stressed and nippy.
- Paradise Fish✅ CompatibleAggressive · 10 cm · Medium care · 16–26 °C (61–79 °F)
- Compatible on the things that matter: shared water near 22–26 °C, workable temperaments, and no predator-and-prey size gap.
- Porthole Catfish✅ CompatiblePeaceful · 10 cm · Easy care · 22–28 °C (72–82 °F)
- Both are peaceful, and their water overlaps around 22–28 °C — no size, zone or temperament conflicts.
- Both favour the bottom of the tank — offer enough cover so they aren't always in each other's space.
- Rosy Barb✅ CompatibleSemi-aggressive · 10 cm · Easy care · 18–26 °C (64–79 °F)
- Compatible on the things that matter: shared water near 22–26 °C, workable temperaments, and no predator-and-prey size gap.
- Keep Rosy Barb in a shoal of 6+ or it gets stressed and nippy.
- Spotted Rubbernose Pleco✅ CompatiblePeaceful · 12 cm · Medium care · 20–26 °C (68–79 °F)
- Compatible on the things that matter: shared water near 22–26 °C, workable temperaments, and no predator-and-prey size gap.
- Both favour the bottom of the tank — offer enough cover so they aren't always in each other's space.
- Swordtail✅ CompatibleSemi-aggressive · 14 cm · Easy care · 22–28 °C (72–82 °F)
- Compatible on the things that matter: shared water near 22–28 °C, workable temperaments, and no predator-and-prey size gap.
- Tiger Betta✅ CompatibleSemi-aggressive · 11 cm · Hard care · 22–27 °C (72–81 °F)
- Peaceful + Semi-aggressive, but with no direct clash here, and their water overlaps around 22–27 °C — no size, zone or temperament conflicts.
- Topaz Cichlid✅ CompatibleSemi-aggressive · 10 cm · Medium care · 23–28 °C (73–82 °F)
- Peaceful + Semi-aggressive, but with no direct clash here, and their water overlaps around 23–28 °C — no size, zone or temperament conflicts.
- Zebra Pleco✅ CompatiblePeaceful · 10 cm · Hard care · 26–30 °C (79–86 °F)
- Compatible on the things that matter: shared water near 26–28 °C, workable temperaments, and no predator-and-prey size gap.
- Both favour the bottom of the tank — offer enough cover so they aren't always in each other's space.
- Angelfish⚠️ With cautionSemi-aggressive · 15 cm · Medium care · 24–30 °C (75–86 °F)
- Your 80 L tank is below the ~110 L this pairing really wants — crowding raises aggression.
- Blue Flash Cichlid⚠️ With cautionSemi-aggressive · 15 cm · Medium care · 24–28 °C (75–82 °F)
- Your 80 L tank is below the ~210 L this pairing really wants — crowding raises aggression.
- Bumblebee Cichlid⚠️ With cautionAggressive · 15 cm · Medium care · 24–28 °C (75–82 °F)
- Your 80 L tank is below the ~200 L this pairing really wants — crowding raises aggression.
- Calvus Cichlid⚠️ With cautionSemi-aggressive · 14 cm · Medium care · 24–27 °C (75–81 °F)
- Your 80 L tank is below the ~120 L this pairing really wants — crowding raises aggression.
- Clown Barb⚠️ With cautionSemi-aggressive · 15 cm · Medium care · 24–30 °C (75–86 °F)
- Your 80 L tank is below the ~132 L this pairing really wants — crowding raises aggression.
- Keep Clown Barb in a shoal of 6+ or it gets stressed and nippy.
- Denison Barb⚠️ With cautionPeaceful · 15 cm · Medium care · 18–25 °C (64–77 °F)
- Your 80 L tank is below the ~200 L this pairing really wants — crowding raises aggression.
- Keep Denison Barb in a shoal of 6+ or it gets stressed and nippy.
- Dolphin Cichlid⚠️ With cautionSemi-aggressive · 15 cm · Medium care · 23–28 °C (73–82 °F)
- Your 80 L tank is below the ~208 L this pairing really wants — crowding raises aggression.
- Eureka Red Peacock Cichlid⚠️ With cautionSemi-aggressive · 15 cm · Medium care · 24–28 °C (75–82 °F)
- Your 80 L tank is below the ~200 L this pairing really wants — crowding raises aggression.
- Firemouth Cichlid⚠️ With cautionSemi-aggressive · 15 cm · Medium care · 22–29 °C (72–84 °F)
- Your 80 L tank is below the ~200 L this pairing really wants — crowding raises aggression.
- Giant Glass Catfish⚠️ With cautionPeaceful · 15 cm · Medium care · 22–27 °C (72–81 °F)
- Your 80 L tank is below the ~120 L this pairing really wants — crowding raises aggression.
- Gold Zebra Loach⚠️ With cautionSemi-aggressive · 15 cm · Medium care · 25–29 °C (77–84 °F)
- Your 80 L tank is below the ~130 L this pairing really wants — crowding raises aggression.
- Green Phantom Pleco⚠️ With cautionSemi-aggressive · 15 cm · Medium care · 26–30 °C (79–86 °F)
- Your 80 L tank is below the ~150 L this pairing really wants — crowding raises aggression.
- Jewel Cichlid⚠️ With cautionAggressive · 15 cm · Medium care · 22–26 °C (72–79 °F)
- Your 80 L tank is below the ~150 L this pairing really wants — crowding raises aggression.
- Moonlight Gourami⚠️ With cautionPeaceful · 15 cm · Easy care · 25–30 °C (77–86 °F)
- Your 80 L tank is below the ~115 L this pairing really wants — crowding raises aggression.
- Panama Convict Cichlid⚠️ With cautionAggressive · 15 cm · Medium care · 24–30 °C (75–86 °F)
- Your 80 L tank is below the ~150 L this pairing really wants — crowding raises aggression.
- Rainbow Cichlid⚠️ With cautionSemi-aggressive · 14 cm · Easy care · 22–28 °C (72–82 °F)
- Your 80 L tank is below the ~130 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 marbled hoplo community tank
Give the group a stable, planted 80 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 the right tank mates for a marbled hoplo
As a peaceful species, marbled hoplo is easily bullied — favour other calm, non-nippy fish and steer clear of boisterous or aggressive tank mates. It mostly occupies the bottom of the tank, so it pairs naturally with species that use the other levels.
Marbled Hoplo grows to about 14 cm, so avoid tank mates small enough to be seen as food — as a rule of thumb, skip anything under roughly 7 cm. Match its water, too: aim for 22–28 °C (72–82 °F), pH 6–8 and 2–18 dGH. Fish needing very different conditions — coldwater species, or hard-water lovers against a soft-water fish — rarely thrive side by side.
Marbled Hoplo doesn't need its own kind to feel secure; think twice before keeping more than one if it is territorial. Whatever you add, introduce new fish slowly, watch for bullying in the first days, and have a backup plan if temperaments clash.
Frequently asked questions
Can a marbled hoplo live with other fish?
Yes — with the right companions. Our checker finds 187 compatible freshwater species for marbled hoplo. 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 marbled hoplo?
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 marbled hoplo?
No outright no-gos in our current database, but always avoid fish that are much larger, much more aggressive, or that need very different water.
How big a tank do marbled hoplo tank mates need?
Start from Marbled Hoplo's own minimum and scale up with every addition. The checker above defaults to a 80 L community tank and flags pairings that need more room — drag the slider to match your setup.