Leopard Cactus Pleco Tank Mates
Leopard Cactus Pleco is semi-aggressive, so its tank mates need choosing with care. Here are the 8 freshwater species that pair well with a leopard cactus pleco — plus the 220 to avoid — with a live checker you can tune to your own tank.
The best tank mates for a leopard cactus pleco
- Marbled Hoplo ✅ CompatibleEasy care · Peaceful · 14 cm · 22–28 °C (72–82 °F)Semi-aggressive + Peaceful, but with no direct clash here, and their water overlaps around 24–28 °C — no size, zone or temperament conflicts.
- Spotted Talking Catfish ✅ CompatibleEasy care · Peaceful · 15 cm · 22–26 °C (72–79 °F)Semi-aggressive + Peaceful, but with no direct clash here, and their water overlaps around 24–26 °C — no size, zone or temperament conflicts.
- Weather Loach ✅ CompatibleEasy care · Peaceful · 25 cm · 5–24 °C (41–75 °F)Semi-aggressive + Peaceful, but with no direct clash here, and their water overlaps around 24–24 °C — no size, zone or temperament conflicts.
- Snowball Pleco ✅ CompatibleMedium care · Peaceful · 16 cm · 24–30 °C (75–86 °F)Compatible on the things that matter: shared water near 24–30 °C, workable temperaments, and no predator-and-prey size gap.
- Yellow-spotted Pleco ✅ CompatibleMedium care · Peaceful · 35 cm · 24–27 °C (75–81 °F)Semi-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.
- Common Pleco ✅ CompatibleMedium care · Peaceful · 45 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.
- Sailfin Pleco ✅ CompatibleMedium care · Peaceful · 50 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.
- Elephant-nose Knifefish ✅ CompatibleHard care · Peaceful · 35 cm · 24–29 °C (75–84 °F)Compatible on the things that matter: shared water near 24–29 °C, workable temperaments, and no predator-and-prey size gap.
Leopard Cactus Pleco tank mates that can work with care
- Adolf's Cory ⚠️ With cautionMedium care · Peaceful · 5.5 cm · 22–26 °C (72–79 °F)Leopard Cactus Pleco may bully the smaller Adolf's Cory, though its armour makes it a hard meal — give it caves and driftwood to retreat into.
- Agassiz's Corydoras ⚠️ With cautionEasy care · Peaceful · 6 cm · 22–28 °C (72–82 °F)Leopard Cactus Pleco may bully the smaller Agassiz's Corydoras, 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)Leopard Cactus Pleco and Altifrons Geophagus can both be territorial; doable with space and dense planting, but watch for chasing.
- Angelfish ⚠️ With cautionMedium care · Semi-aggressive · 15 cm · 24–30 °C (75–86 °F)Both are a bit pushy (semi-aggressive + semi-aggressive) — workable only in a larger tank with cover and broken sight lines.
- Angelicus Synodontis ⚠️ With cautionMedium care · Semi-aggressive · 25 cm · 23–27 °C (73–81 °F)Leopard Cactus Pleco and Angelicus Synodontis can both be territorial; doable with space and dense planting, but watch for chasing.
- Assassin Snail ⚠️ With cautionEasy care · Peaceful · 3 cm · 22–26 °C (72–79 °F)Leopard Cactus Pleco may bully the smaller Assassin Snail, though its armour makes it a hard meal — give it caves and driftwood to retreat into.
- Axelrod's Cory ⚠️ With cautionEasy care · Peaceful · 5 cm · 23–28 °C (73–82 °F)Leopard Cactus Pleco may bully the smaller Axelrod's Cory, though its armour makes it a hard meal — give it caves and driftwood to retreat into.
- Bandit Corydoras ⚠️ With cautionEasy care · Peaceful · 5 cm · 22–27 °C (72–81 °F)Leopard Cactus Pleco may bully the smaller Bandit Corydoras, though its armour makes it a hard meal — give it caves and driftwood to retreat into.
+ 104 more “with caution” pairings — see the interactive checker above.
Fish to avoid keeping with a leopard cactus pleco
- Wels Catfish ⛔ AvoidHard care · Aggressive · 300 cm · 15–25 °C (59–77 °F)Two assertive fish, one genuinely aggressive: Leopard Cactus Pleco and Wels Catfish will hold territory and clash.
- Alligator Gar ⛔ AvoidHard care · Aggressive · 250 cm · 24–28 °C (75–82 °F)Two assertive fish, one genuinely aggressive: Leopard Cactus Pleco and Alligator Gar will hold territory and clash.
- Redtail Catfish ⛔ AvoidHard care · Aggressive · 120 cm · 24–27 °C (75–81 °F)Two assertive fish, one genuinely aggressive: Leopard Cactus Pleco and Redtail Catfish will hold territory and clash.
- Clown Knifefish ⛔ AvoidHard care · Aggressive · 90 cm · 24–28 °C (75–82 °F)Leopard Cactus Pleco and Clown Knifefish are both territorial and at least one is outright aggressive — expect serious fighting.
- Spotted Gar ⛔ AvoidHard care · Aggressive · 90 cm · 18–26 °C (64–79 °F)Two assertive fish, one genuinely aggressive: Leopard Cactus Pleco and Spotted Gar will hold territory and clash.
- Wolf Cichlid ⛔ AvoidHard care · Aggressive · 72 cm · 24–30 °C (75–86 °F)Leopard Cactus Pleco and Wolf Cichlid are both territorial and at least one is outright aggressive — expect serious fighting.
- Ocellaris Peacock Bass ⛔ AvoidHard care · Aggressive · 70 cm · 24–30 °C (75–86 °F)Leopard Cactus Pleco and Ocellaris Peacock Bass are both territorial and at least one is outright aggressive — expect serious fighting.
- Mbu Puffer ⛔ AvoidHard care · Aggressive · 67 cm · 24–28 °C (75–82 °F)Leopard Cactus Pleco and Mbu Puffer are both territorial and at least one is outright aggressive — expect serious fighting.
+ 212 more to avoid — the checker above flags every one.
Check any fish against a leopard cactus pleco
Dial in your exact tank size and filter by result — the checker scores every species in our database against a leopard cactus pleco, with the reasoning for each verdict.
Tank-mate checker
Will it live with a Leopard Cactus Pleco?
We compare each fish against your leopard cactus pleco on temperament, size, water parameters and swimming zone. Set your tank size and filter the results.
- Common Pleco✅ CompatiblePeaceful · 45 cm · Medium 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 bottom of the tank — offer enough cover so they aren't always in each other's space.
- Elephant-nose Knifefish✅ CompatiblePeaceful · 35 cm · Hard care · 24–29 °C (75–84 °F)
- Compatible on the things that matter: shared water near 24–29 °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.
- Marbled Hoplo✅ CompatiblePeaceful · 14 cm · Easy care · 22–28 °C (72–82 °F)
- Semi-aggressive + Peaceful, but with no direct clash here, and their water overlaps around 24–28 °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.
- Sailfin Pleco✅ CompatiblePeaceful · 50 cm · Medium 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 bottom of the tank — offer enough cover so they aren't always in each other's space.
- Snowball Pleco✅ CompatiblePeaceful · 16 cm · Medium care · 24–30 °C (75–86 °F)
- Compatible on the things that matter: shared water near 24–30 °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.
- Spotted Talking Catfish✅ CompatiblePeaceful · 15 cm · Easy care · 22–26 °C (72–79 °F)
- Semi-aggressive + Peaceful, but with no direct clash here, and their water overlaps around 24–26 °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.
- Weather Loach✅ CompatiblePeaceful · 25 cm · Easy care · 5–24 °C (41–75 °F)
- Semi-aggressive + Peaceful, but with no direct clash here, and their water overlaps around 24–24 °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.
- Yellow-spotted Pleco✅ CompatiblePeaceful · 35 cm · Medium care · 24–27 °C (75–81 °F)
- Semi-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.
- Both favour the bottom of the tank — offer enough cover so they aren't always in each other's space.
- Altifrons Geophagus⚠️ With cautionSemi-aggressive · 25 cm · Medium care · 24–28 °C (75–82 °F)
- Leopard Cactus Pleco and Altifrons Geophagus can both be territorial; doable with space and dense planting, but watch for chasing.
- Keep Altifrons Geophagus in a shoal of 6+ or it gets stressed and nippy.
- Angelicus Synodontis⚠️ With cautionSemi-aggressive · 25 cm · Medium care · 23–27 °C (73–81 °F)
- Leopard Cactus Pleco and Angelicus Synodontis can both be territorial; doable with space and dense planting, but watch for chasing.
- Black Collared Catfish⚠️ With cautionSemi-aggressive · 27 cm · Hard care · 23–25 °C (73–77 °F)
- Both are a bit pushy (semi-aggressive + semi-aggressive) — workable only in a larger tank with cover and broken sight lines.
- Clown Loach⚠️ With cautionPeaceful · 30 cm · Medium care · 25–30 °C (77–86 °F)
- Your 380 L tank is below the ~400 L this pairing really wants — crowding raises aggression.
- Galaxy Pleco⚠️ With cautionSemi-aggressive · 25 cm · Medium care · 22–26 °C (72–79 °F)
- Leopard Cactus Pleco and Galaxy Pleco can both be territorial; doable with space and dense planting, but watch for chasing.
- Gold Nugget Pleco⚠️ With cautionSemi-aggressive · 28 cm · Hard care · 24–29 °C (75–84 °F)
- Both are a bit pushy (semi-aggressive + semi-aggressive) — workable only in a larger tank with cover and broken sight lines.
- Kissing Gourami⚠️ With cautionSemi-aggressive · 30 cm · Medium care · 22–28 °C (72–82 °F)
- Both are a bit pushy (semi-aggressive + semi-aggressive) — workable only in a larger tank with cover and broken sight lines.
- Mango Pleco⚠️ With cautionSemi-aggressive · 28 cm · Hard care · 25–32 °C (77–90 °F)
- Leopard Cactus Pleco and Mango Pleco can both be territorial; doable with space and dense planting, but watch for chasing.
- Peacock Eel⚠️ With cautionSemi-aggressive · 30 cm · Medium care · 22–28 °C (72–82 °F)
- Both are a bit pushy (semi-aggressive + semi-aggressive) — workable only in a larger tank with cover and broken sight lines.
- Pearl Cichlid⚠️ With cautionSemi-aggressive · 28 cm · Medium care · 22–28 °C (72–82 °F)
- Both are a bit pushy (semi-aggressive + semi-aggressive) — workable only in a larger tank with cover and broken sight lines.
- Severum⚠️ With cautionSemi-aggressive · 25 cm · Medium care · 23–30 °C (73–86 °F)
- Leopard Cactus Pleco and Severum can both be territorial; doable with space and dense planting, but watch for chasing.
- Silver Cichlid⚠️ With cautionSemi-aggressive · 30 cm · Medium care · 24–28 °C (75–82 °F)
- Leopard Cactus Pleco and Silver Cichlid can both be territorial; doable with space and dense planting, but watch for chasing.
- Spotted Pleco⚠️ With cautionSemi-aggressive · 30 cm · Easy care · 18–26 °C (64–79 °F)
- Both are a bit pushy (semi-aggressive + semi-aggressive) — workable only in a larger tank with cover and broken sight lines.
- Spotted Severum⚠️ With cautionSemi-aggressive · 25 cm · Medium care · 26–30 °C (79–86 °F)
- Both are a bit pushy (semi-aggressive + semi-aggressive) — workable only in a larger tank with cover and broken sight lines.
- Sunshine Pleco⚠️ With cautionSemi-aggressive · 30 cm · Hard care · 23–29 °C (73–84 °F)
- Both are a bit pushy (semi-aggressive + semi-aggressive) — workable only in a larger tank with cover and broken sight lines.
- Your 380 L tank is below the ~473 L this pairing really wants — crowding raises aggression.
- True Parrot Cichlid⚠️ With cautionSemi-aggressive · 33 cm · Hard care · 23–28 °C (73–82 °F)
- Leopard Cactus Pleco and True Parrot Cichlid can both be territorial; doable with space and dense planting, but watch for chasing.
- Alligator Gar⛔ Not recommendedAggressive · 250 cm · Hard care · 24–28 °C (75–82 °F)
- Two assertive fish, one genuinely aggressive: Leopard Cactus Pleco and Alligator Gar will hold territory and clash.
- Alligator Gar may bully the smaller Leopard Cactus Pleco, though its armour makes it a hard meal — give it caves and driftwood to retreat into.
- Your 380 L tank is below the ~3785 L this pairing really wants — crowding raises aggression.
- Clown Knifefish⛔ Not recommendedAggressive · 90 cm · Hard care · 24–28 °C (75–82 °F)
- Leopard Cactus Pleco and Clown Knifefish are both territorial and at least one is outright aggressive — expect serious fighting.
- Clown Knifefish may bully the smaller Leopard Cactus Pleco, though its armour makes it a hard meal — give it caves and driftwood to retreat into.
- Your 380 L tank is below the ~750 L this pairing really wants — crowding raises aggression.
- Mbu Puffer⛔ Not recommendedAggressive · 67 cm · Hard care · 24–28 °C (75–82 °F)
- Leopard Cactus Pleco and Mbu Puffer are both territorial and at least one is outright aggressive — expect serious fighting.
- Your 380 L tank is below the ~757 L this pairing really wants — crowding raises aggression.
- Ocellaris Peacock Bass⛔ Not recommendedAggressive · 70 cm · Hard care · 24–30 °C (75–86 °F)
- Leopard Cactus Pleco and Ocellaris Peacock Bass are both territorial and at least one is outright aggressive — expect serious fighting.
- Your 380 L tank is below the ~750 L this pairing really wants — crowding raises aggression.
- Redtail Catfish⛔ Not recommendedAggressive · 120 cm · Hard care · 24–27 °C (75–81 °F)
- Two assertive fish, one genuinely aggressive: Leopard Cactus Pleco and Redtail Catfish will hold territory and clash.
- Redtail Catfish may bully the smaller Leopard Cactus Pleco, though its armour makes it a hard meal — give it caves and driftwood to retreat into.
- Your 380 L tank is below the ~5700 L this pairing really wants — crowding raises aggression.
- Spotted Gar⛔ Not recommendedAggressive · 90 cm · Hard care · 18–26 °C (64–79 °F)
- Two assertive fish, one genuinely aggressive: Leopard Cactus Pleco and Spotted Gar will hold territory and clash.
- Spotted Gar may bully the smaller Leopard Cactus Pleco, though its armour makes it a hard meal — give it caves and driftwood to retreat into.
- Your 380 L tank is below the ~600 L this pairing really wants — crowding raises aggression.
- Wels Catfish⛔ Not recommendedAggressive · 300 cm · Hard care · 15–25 °C (59–77 °F)
- Two assertive fish, one genuinely aggressive: Leopard Cactus Pleco and Wels Catfish will hold territory and clash.
- Wels Catfish may bully the smaller Leopard Cactus Pleco, though its armour makes it a hard meal — give it caves and driftwood to retreat into.
- Your 380 L tank is below the ~20000 L this pairing really wants — crowding raises aggression.
- Wolf Cichlid⛔ Not recommendedAggressive · 72 cm · Hard care · 24–30 °C (75–86 °F)
- Leopard Cactus Pleco and Wolf Cichlid are both territorial and at least one is outright aggressive — expect serious fighting.
- Your 380 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 leopard cactus pleco community tank
Give the group a stable, planted 380 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 leopard cactus pleco
Being semi-aggressive, leopard cactus pleco can nip or harass smaller, slower or long-finned fish — give it space, broken sight-lines and similarly robust companions. It mostly occupies the bottom of the tank, so it pairs naturally with species that use the other levels.
Leopard Cactus Pleco grows to about 30 cm, so avoid tank mates small enough to be seen as food — as a rule of thumb, skip anything under roughly 15 cm. Match its water, too: aim for 24–30 °C (75–86 °F), pH 5.5–7.5 and 1–10 dGH. Fish needing very different conditions — coldwater species, or hard-water lovers against a soft-water fish — rarely thrive side by side.
Leopard Cactus Pleco 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 leopard cactus pleco live with other fish?
Yes — with the right companions. Our checker finds 8 compatible freshwater species for leopard cactus pleco. 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 leopard cactus pleco?
Easy, peaceful, similarly-sized species top the list — for example Marbled Hoplo, Spotted Talking Catfish, Weather Loach. Use the checker above to match against your own tank size.
What fish should you avoid keeping with a leopard cactus pleco?
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 leopard cactus pleco tank mates need?
Start from Leopard Cactus Pleco's own minimum and scale up with every addition. The checker above defaults to a 380 L community tank and flags pairings that need more room — drag the slider to match your setup.