Sailfin Tang Tank Mates
Sailfin Tang is semi-aggressive, so its tank mates need choosing with care. Here are the 25 freshwater species that pair well with a sailfin tang — plus the 2 to avoid — with a live checker you can tune to your own tank.
The best tank mates for a sailfin tang
- Clown Goby ✅ CompatibleEasy care · Peaceful · 4 cm · 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.
- Neon Goby ✅ CompatibleEasy care · Peaceful · 5 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.
- Banggai Cardinalfish ✅ CompatibleEasy care · Peaceful · 8 cm · 24–27 °C (75–81 °F)Semi-aggressive + Peaceful, but with no direct clash here, and their water overlaps around 24–27 °C — no size, zone or temperament conflicts.
- Blue Damselfish ✅ CompatibleEasy care · Semi-aggressive · 8 cm · 24–27 °C (75–81 °F)Semi-aggressive + Semi-aggressive, but with no direct clash here, and their water overlaps around 24–27 °C — no size, zone or temperament conflicts.
- Firefish ✅ CompatibleEasy care · Peaceful · 8 cm · 24–27 °C (75–81 °F)Semi-aggressive + Peaceful, but with no direct clash here, and their water overlaps around 24–27 °C — no size, zone or temperament conflicts.
- Green Chromis ✅ CompatibleEasy care · Peaceful · 8 cm · 24–27 °C (75–81 °F)Semi-aggressive + Peaceful, but with no direct clash here, and their water overlaps around 24–27 °C — no size, zone or temperament conflicts.
- Ocellaris Clownfish ✅ CompatibleEasy care · Semi-aggressive · 8 cm · 24–27 °C (75–81 °F)Semi-aggressive + 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.
- Percula Clownfish ✅ CompatibleEasy care · Semi-aggressive · 8 cm · 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.
- Royal Gramma ✅ CompatibleEasy care · Peaceful · 8 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.
- Six Line Wrasse ✅ CompatibleEasy care · Semi-aggressive · 8 cm · 24–27 °C (75–81 °F)Semi-aggressive + Semi-aggressive, but with no direct clash here, and their water overlaps around 24–27 °C — no size, zone or temperament conflicts.
- Yellow Watchman Goby ✅ CompatibleEasy care · Peaceful · 9 cm · 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.
- Bicolor Blenny ✅ CompatibleEasy care · Semi-aggressive · 10 cm · 24–27 °C (75–81 °F)Semi-aggressive + Semi-aggressive, but with no direct clash here, and their water overlaps around 24–27 °C — no size, zone or temperament conflicts.
- Coral Beauty Angelfish ✅ CompatibleEasy care · Semi-aggressive · 10 cm · 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.
- Yellow Coris Wrasse ✅ CompatibleEasy care · Peaceful · 12 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.
- Lawnmower Blenny ✅ CompatibleEasy care · Peaceful · 13 cm · 24–27 °C (75–81 °F)Semi-aggressive + Peaceful, but with no direct clash here, and their water overlaps around 24–27 °C — no size, zone or temperament conflicts.
- Clarkii Clownfish ✅ CompatibleEasy care · Semi-aggressive · 14 cm · 24–27 °C (75–81 °F)Semi-aggressive + Semi-aggressive, but with no direct clash here, and their water overlaps around 24–27 °C — no size, zone or temperament conflicts.
- Tomato Clownfish ✅ CompatibleEasy care · Semi-aggressive · 14 cm · 24–27 °C (75–81 °F)Semi-aggressive + 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.
- Flame Angelfish ✅ CompatibleMedium care · Semi-aggressive · 10 cm · 24–27 °C (75–81 °F)Semi-aggressive + 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.
- Melanurus Wrasse ✅ CompatibleMedium care · Semi-aggressive · 12 cm · 24–27 °C (75–81 °F)Semi-aggressive + 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.
- Bicolor Angelfish ✅ CompatibleMedium care · Semi-aggressive · 15 cm · 24–27 °C (75–81 °F)Semi-aggressive + 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.
- Diamond Goby ✅ CompatibleMedium care · Peaceful · 15 cm · 24–27 °C (75–81 °F)Semi-aggressive + Peaceful, but with no direct clash here, and their water overlaps around 24–27 °C — no size, zone or temperament conflicts.
- Foxface Rabbitfish ✅ CompatibleMedium care · Semi-aggressive · 24 cm · 24–27 °C (75–81 °F)Semi-aggressive + Semi-aggressive, but with no direct clash here, and their water overlaps around 24–27 °C — no size, zone or temperament conflicts.
- Mandarin Dragonet ✅ CompatibleHard care · Peaceful · 8 cm · 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.
- Cleaner Wrasse ✅ CompatibleHard care · Peaceful · 11 cm · 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.
Sailfin Tang tank mates that can work with care
- Blue Tang ⚠️ With cautionMedium care · Semi-aggressive · 30 cm · 24–27 °C (75–81 °F)Two tang (Sailfin Tang + Blue Tang) will likely battle over territory — keep one per tank, or only in a large system with both added together.
- Emperor Angelfish ⚠️ With cautionHard care · Semi-aggressive · 38 cm · 24–27 °C (75–81 °F)Your 570 L tank is below the ~850 L this pairing really wants — crowding raises aggression.
- Kole Tang ⚠️ With cautionMedium care · Semi-aggressive · 18 cm · 24–27 °C (75–81 °F)Two tang (Sailfin Tang + Kole Tang) will likely battle over territory — keep one per tank, or only in a large system with both added together.
- Naso Tang ⚠️ With cautionHard care · Semi-aggressive · 45 cm · 24–27 °C (75–81 °F)Two tang (Sailfin Tang + Naso Tang) will likely battle over territory — keep one per tank, or only in a large system with both added together.
- Purple Tang ⚠️ With cautionMedium care · Semi-aggressive · 25 cm · 24–27 °C (75–81 °F)Two tang (Sailfin Tang + Purple Tang) will likely battle over territory — keep one per tank, or only in a large system with both added together.
- Queen Angelfish ⚠️ With cautionHard care · Semi-aggressive · 45 cm · 24–27 °C (75–81 °F)Your 570 L tank is below the ~850 L this pairing really wants — crowding raises aggression.
- Yellow Tang ⚠️ With cautionMedium care · Semi-aggressive · 20 cm · 24–27 °C (75–81 °F)Two tang (Sailfin Tang + Yellow Tang) will likely battle over territory — keep one per tank, or only in a large system with both added together.
Fish to avoid keeping with a sailfin tang
- Maroon Clownfish ⛔ AvoidMedium care · Aggressive · 15 cm · 24–27 °C (75–81 °F)Two assertive fish, one genuinely aggressive: Sailfin Tang and Maroon Clownfish will hold territory and clash.
- Domino Damselfish ⛔ AvoidEasy care · Aggressive · 14 cm · 24–27 °C (75–81 °F)Sailfin Tang and Domino Damselfish are both territorial and at least one is outright aggressive — expect serious fighting.
Check any fish against a sailfin tang
Dial in your exact tank size and filter by result — the checker scores every species in our database against a sailfin tang, with the reasoning for each verdict.
Tank-mate checker
Will it live with a Sailfin Tang?
We compare each fish against your sailfin tang on temperament, size, water parameters and swimming zone. Set your tank size and filter the results.
- Banggai Cardinalfish✅ CompatiblePeaceful · 8 cm · Easy care · 24–27 °C (75–81 °F)
- Semi-aggressive + Peaceful, but with no direct clash here, and their water overlaps around 24–27 °C — no size, zone or temperament conflicts.
- Bicolor Angelfish✅ CompatibleSemi-aggressive · 15 cm · Medium care · 24–27 °C (75–81 °F)
- Semi-aggressive + 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.
- Bicolor Blenny✅ CompatibleSemi-aggressive · 10 cm · Easy care · 24–27 °C (75–81 °F)
- Semi-aggressive + Semi-aggressive, but with no direct clash here, and their water overlaps around 24–27 °C — no size, zone or temperament conflicts.
- Blue Damselfish✅ CompatibleSemi-aggressive · 8 cm · Easy care · 24–27 °C (75–81 °F)
- Semi-aggressive + Semi-aggressive, but with no direct clash here, and their water overlaps around 24–27 °C — no size, zone or temperament conflicts.
- Clarkii Clownfish✅ CompatibleSemi-aggressive · 14 cm · Easy care · 24–27 °C (75–81 °F)
- Semi-aggressive + Semi-aggressive, but with no direct clash here, and their water overlaps around 24–27 °C — no size, zone or temperament conflicts.
- Cleaner Wrasse✅ CompatiblePeaceful · 11 cm · Hard 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.
- Coral Beauty Angelfish✅ 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.
- Diamond Goby✅ CompatiblePeaceful · 15 cm · Medium care · 24–27 °C (75–81 °F)
- Semi-aggressive + Peaceful, but with no direct clash here, and their water overlaps around 24–27 °C — no size, zone or temperament conflicts.
- Firefish✅ CompatiblePeaceful · 8 cm · Easy care · 24–27 °C (75–81 °F)
- Semi-aggressive + Peaceful, but with no direct clash here, and their water overlaps around 24–27 °C — no size, zone or temperament conflicts.
- Flame Angelfish✅ CompatibleSemi-aggressive · 10 cm · Medium care · 24–27 °C (75–81 °F)
- Semi-aggressive + 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.
- Foxface Rabbitfish✅ CompatibleSemi-aggressive · 24 cm · Medium care · 24–27 °C (75–81 °F)
- Semi-aggressive + Semi-aggressive, but with no direct clash here, and their water overlaps around 24–27 °C — no size, zone or temperament conflicts.
- Green Chromis✅ CompatiblePeaceful · 8 cm · Easy care · 24–27 °C (75–81 °F)
- Semi-aggressive + Peaceful, but with no direct clash here, and their water overlaps around 24–27 °C — no size, zone or temperament conflicts.
- Keep Green Chromis in a shoal of 6+ or it gets stressed and nippy.
- Lawnmower Blenny✅ CompatiblePeaceful · 13 cm · Easy care · 24–27 °C (75–81 °F)
- Semi-aggressive + Peaceful, but with no direct clash here, and their water overlaps around 24–27 °C — no size, zone or temperament conflicts.
- Mandarin Dragonet✅ CompatiblePeaceful · 8 cm · Hard 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.
- Melanurus Wrasse✅ CompatibleSemi-aggressive · 12 cm · Medium care · 24–27 °C (75–81 °F)
- Semi-aggressive + 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.
- Neon Goby✅ CompatiblePeaceful · 5 cm · Easy 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.
- Ocellaris Clownfish✅ CompatibleSemi-aggressive · 8 cm · Easy care · 24–27 °C (75–81 °F)
- Semi-aggressive + 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.
- Percula Clownfish✅ CompatibleSemi-aggressive · 8 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.
- Regal Angelfish✅ CompatibleSemi-aggressive · 25 cm · Hard care · 24–27 °C (75–81 °F)
- Semi-aggressive + Semi-aggressive, but with no direct clash here, and their water overlaps around 24–27 °C — no size, zone or temperament conflicts.
- Royal Gramma✅ CompatiblePeaceful · 8 cm · Easy 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.
- Six Line Wrasse✅ CompatibleSemi-aggressive · 8 cm · Easy care · 24–27 °C (75–81 °F)
- Semi-aggressive + Semi-aggressive, but with no direct clash here, and their water overlaps around 24–27 °C — no size, zone or temperament conflicts.
- Tomato Clownfish✅ CompatibleSemi-aggressive · 14 cm · Easy care · 24–27 °C (75–81 °F)
- Semi-aggressive + 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.
- Yellow Coris Wrasse✅ CompatiblePeaceful · 12 cm · Easy 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.
- Yellow Watchman Goby✅ CompatiblePeaceful · 9 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.
- Blue Tang⚠️ With cautionSemi-aggressive · 30 cm · Medium care · 24–27 °C (75–81 °F)
- Two tang (Sailfin Tang + Blue Tang) will likely battle over territory — keep one per tank, or only in a large system with both added together.
- Emperor Angelfish⚠️ With cautionSemi-aggressive · 38 cm · Hard care · 24–27 °C (75–81 °F)
- Your 570 L tank is below the ~850 L this pairing really wants — crowding raises aggression.
- Kole Tang⚠️ With cautionSemi-aggressive · 18 cm · Medium care · 24–27 °C (75–81 °F)
- Two tang (Sailfin Tang + Kole Tang) will likely battle over territory — keep one per tank, or only in a large system with both added together.
- Naso Tang⚠️ With cautionSemi-aggressive · 45 cm · Hard care · 24–27 °C (75–81 °F)
- Two tang (Sailfin Tang + Naso Tang) will likely battle over territory — keep one per tank, or only in a large system with both added together.
- Your 570 L tank is below the ~680 L this pairing really wants — crowding raises aggression.
- Purple Tang⚠️ With cautionSemi-aggressive · 25 cm · Medium care · 24–27 °C (75–81 °F)
- Two tang (Sailfin Tang + Purple Tang) will likely battle over territory — keep one per tank, or only in a large system with both added together.
- Queen Angelfish⚠️ With cautionSemi-aggressive · 45 cm · Hard care · 24–27 °C (75–81 °F)
- Your 570 L tank is below the ~850 L this pairing really wants — crowding raises aggression.
- Yellow Tang⚠️ With cautionSemi-aggressive · 20 cm · Medium care · 24–27 °C (75–81 °F)
- Two tang (Sailfin Tang + Yellow Tang) will likely battle over territory — keep one per tank, or only in a large system with both added together.
- Domino Damselfish⛔ Not recommendedAggressive · 14 cm · Easy care · 24–27 °C (75–81 °F)
- Sailfin Tang and Domino Damselfish are both territorial and at least one is outright aggressive — expect serious fighting.
- Maroon Clownfish⛔ Not recommendedAggressive · 15 cm · Medium care · 24–27 °C (75–81 °F)
- Two assertive fish, one genuinely aggressive: Sailfin Tang and Maroon Clownfish will hold territory and clash.
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 sailfin tang community tank
Give the group a stable, planted 570 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 sailfin tang
Being semi-aggressive, sailfin tang can nip or harass smaller, slower or long-finned fish — give it space, broken sight-lines and similarly robust companions. It ranges across the whole water column, so tank mates that keep to one level help reduce friction.
Sailfin Tang grows to about 40 cm, so avoid tank mates small enough to be seen as food — as a rule of thumb, skip anything under roughly 20 cm. Match its water, too: aim for 24–27 °C (75–81 °F), pH 8–8.4 and 8–12 dGH. Fish needing very different conditions — coldwater species, or hard-water lovers against a soft-water fish — rarely thrive side by side.
Sailfin Tang 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 sailfin tang live with other fish?
Yes — with the right companions. Our checker finds 25 compatible freshwater species for sailfin tang. 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 sailfin tang?
Easy, peaceful, similarly-sized species top the list — for example Clown Goby, Neon Goby, Banggai Cardinalfish. Use the checker above to match against your own tank size.
What fish should you avoid keeping with a sailfin tang?
Avoid Maroon Clownfish, Domino Damselfish and similar — usually a temperature, size or temperament clash. The full "avoid" list below gives the reason for each.
How big a tank do sailfin tang tank mates need?
Start from Sailfin Tang's own minimum and scale up with every addition. The checker above defaults to a 570 L community tank and flags pairings that need more room — drag the slider to match your setup.