TankStockingPearl Gourami Tank Mates
Pearl gouramis are large, graceful, peaceful anabantoids — an elegant centrepiece for a roomy community.
The most peaceful of the bigger gouramis, they tolerate tankmates well and even other pearl gouramis in a large enough tank. They reach about 12 cm, so they need a longer tank than the dwarf or honey gourami. The engine clears most peaceful community fish, flagging only fin-nippers and the odd boisterous species.
Pearl Gourami key facts
The sourced figures the engine uses to judge Pearl Gourami pairings.
| Adult size | 12 cm |
|---|---|
| Minimum tank | 30 US gal |
| Minimum group | 1 |
| Temperament | Peaceful |
| Temperature range | 24–28°C |
| pH range | 6–8 |
| Bioload | Medium |
| Swim level | Top / surface |
| Beginner-friendly | Yes |
Sources & confidence (11 species)
These back the Pearl Gourami figures and the recommended tank mates above. Each figure is read from the TankStocking species database (v2026.06); below is the care reference behind it and how confident we are in that data. Confidence reflects the source quality, not whether any pairing is safe. Full source list and the welfare model are on the methodology page.
- Pearl Gourami Trichopodus leerii — Seriously Fish (seriouslyfish.com/species/trichopodus-leerii) high confidence
- Bamboo Shrimp (Wood/Fan Shrimp) Atyopsis moluccensis — Aquariadise (aquariadise.com/caresheet-bamboo-shrimp-atyopsis-moluccensis) high confidence
- Bleeding Heart Tetra Hyphessobrycon erythrostigma — Seriously Fish (Hyphessobrycon erythrostigma) high confidence
- Boesemani Rainbowfish Melanotaenia boesemani — Seriously Fish; Aquarium Co-Op Boesemani guide high confidence
- Bolivian Ram Mikrogeophagus altispinosus — Seriously Fish (seriouslyfish.com/species/mikrogeophagus-altispinosus) high confidence
- Brilliant Rasbora Rasbora einthovenii — Seriously Fish (seriouslyfish.com/species/rasbora-einthovenii) high confidence
- Bristlenose Pleco Ancistrus sp. — Aquarium Source / aqua-fish.net Ancistrus care guides high confidence
- Bronze Corydoras Corydoras aeneus — Seriously Fish (seriouslyfish.com/species/corydoras-aeneus) high confidence
- Celebes Rainbowfish Marosatherina ladigesi — Seriously Fish (seriouslyfish.com/species/marosatherina-ladigesi) high confidence
- Clown Pleco Panaqolus maccus — Fish Laboratory (fishlaboratory.com/fish/clown-pleco); AquariumStoreDepot high confidence
- Congo Tetra Phenacogrammus interruptus — Seriously Fish (seriouslyfish.com/species/phenacogrammus-interruptus) high confidence
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Verdict
Top Pearl Gourami tank mates
A ranked shortlist: the species the engine clears with Pearl Gourami and that suit its size and temperament best — tap a name for its care guide, or use + Add to test the pairing in the planner.
| Species | Adult size | Temp range | Min group | Swim level | Why it works | Plan |
|---|---|---|---|---|---|---|
| Bamboo Shrimp (Wood/Fan Shrimp) | 10 cm | 20–27°C | 1 | All levels | peacefulsize-safebeginner-friendlyPeaceful temperament, similar adult size | + Add |
| Bleeding Heart Tetra | 6 cm | 21–28°C | 8+ (shoal) | Midwater | different swim levelpeacefulsize-safebeginner-friendlyUses the midwater zone, peaceful temperament, similar adult size | + Add |
| Boesemani Rainbowfish | 10 cm | 24–28°C | 6+ (shoal) | Midwater | different swim levelpeacefulsize-safebeginner-friendlyUses the midwater zone, peaceful temperament, similar adult size | + Add |
| Bolivian Ram | 8 cm | 24–27°C | 2+ (pair/group) | Bottom | different swim levelpeacefulsize-safebeginner-friendlyUses the bottom zone, peaceful temperament, similar adult size | + Add |
| Brilliant Rasbora | 9 cm | 22–26°C | 6+ (shoal) | Midwater | different swim levelpeacefulsize-safebeginner-friendlyUses the midwater zone, peaceful temperament, similar adult size | + Add |
| Bristlenose Pleco | 13 cm | 23–27°C | 1 | Bottom | different swim levelpeacefulsize-safebeginner-friendlyUses the bottom zone, peaceful temperament, similar adult size | + Add |
| Bronze Corydoras | 7 cm | 22–26°C | 6+ (shoal) | Bottom | different swim levelpeacefulsize-safebeginner-friendlyUses the bottom zone, peaceful temperament, similar adult size | + Add |
| Celebes Rainbowfish | 8 cm | 22–28°C | 6+ (shoal) | Midwater | different swim levelpeacefulsize-safebeginner-friendlyUses the midwater zone, peaceful temperament, similar adult size | + Add |
| Clown Pleco | 9 cm | 23–28°C | 1 | Bottom | different swim levelpeacefulsize-safebeginner-friendlyUses the bottom zone, peaceful temperament, similar adult size | + Add |
| Congo Tetra | 8 cm | 23–28°C | 6+ (shoal) | Midwater | different swim levelpeacefulsize-safebeginner-friendlyUses the midwater zone, peaceful temperament, similar adult size | + Add |
No tank mates match these filters — try removing one.
Other engine-cleared options (not necessarily ideal)
These clear TankStocking's hard welfare checks with Pearl Gourami, but are larger, bolder, or otherwise less ideal than the shortlist above — read up before committing.
Anabantoids (Bettas/Gouramis)
Corydoras
Invertebrates
Oddball
Plecos & Catfish
Rainbowfish
Rasboras
Possible with care
These can work, but the engine flags something to watch — read the reason before you commit.
- Betta (Siamese Fighting Fish) — Territorial
- Paradise Fish — Aggression
- Cockatoo Dwarf Cichlid (Apisto Cacatuoides) — Territorial
- Convict Cichlid — Aggression
- Firemouth Cichlid — Territorial
- Jewel Cichlid — Aggression
- Kribensis (Rainbow Krib) — Territorial
- Oscar — Aggression
- Golden Wonder Killifish (Striped Panchax) — Aggression
- Rainbow Shark — Aggression
- Redtail Black Shark — Aggression
- Pictus Catfish — Aggression
Best avoided
A hard welfare check fires for each of these — don't mix them with Pearl Gourami.
- Chocolate Gourami — Species-only fish
- Licorice Gourami — Species-only fish
- Rosy Barb — Temperature clash
- Tinfoil Barb — Predation risk
- Discus — Temperature clash
- Green Severum — Predation risk
- Multifasciatus Shell-Dweller — Territorial, Species-only fish
- Common Goldfish — Temperature clash, Coldwater + tropical
- Fancy Goldfish — Temperature clash, Coldwater + tropical
- Gold White Cloud Mountain Minnow — Temperature clash, Coldwater + tropical
- Rosy Red Minnow (Fathead Minnow) — Temperature clash, Coldwater + tropical
- White Cloud Mountain Minnow — Temperature clash, Coldwater + tropical
- Peppered Corydoras — Temperature clash
- Dwarf Emerald Rasbora — Temperature clash
Keeping Pearl Gourami well: the detail
Beyond the table — the behaviour, the parameters that actually move the needle, and the mistakes that cost fish. Hobbyist context, not a verdict; the planner above is what judges your plan.
Water parameters in practice
Pearl gouramis are easy on chemistry — soft to moderately hard, pH 6–8, 24–28 °C — but they need length and calm. At about 12 cm they are the largest commonly-kept gourami and want a 30-gallon-plus tank with gentle flow, floating plants, and broken sightlines. The temperament is the gentlest of the big gouramis; the requirement is room.
Why Pearl Gourami behaves the way it does
Pearl gouramis come from the still, heavily-vegetated lowland swamps and slow waters of South-East Asia, where a large, graceful surface fish drifts through dense planting and breathes air. That calm, deliberate nature is why they tolerate tankmates and even each other far better than most gouramis. They value cover and quiet water over open current.
Common Pearl Gourami stocking mistakes
The first mistake is a tank that is too short — a 12 cm fish needs swimming length, not a nano. The second is strong flow, which unsettles a slow surface-dweller. The third is pairing them with fin-nippers, which target their long, thread-like pelvic feelers.
Early signs something is wrong
A pearl gourami that loses its lacy pattern, hides, or hangs at the surface refusing food is showing stress — usually too busy a tank, too strong a current, or slipping water. Clamped fins and rapid breathing follow quality problems. A settled pearl drifts calmly through the upper levels with its feelers extended.
How tank size changes the answer
A single fish or a pair wants 30 gallons; a small group with one male wants more length still. Unlike combative gouramis, pearls can be kept in numbers given the room, so volume genuinely expands the options here. Prioritise a long footprint and dense surface planting.
Pearl Gourami community ideas
Each build is scored by the same engine as the planner — tap one to load it.
Pearl gourami community
✓ Good starter plan2× Pearl Gourami, 12× Rummynose Tetra, 8× Bronze Corydoras
A calm pearl-gourami pair over a tetra school and cory shoal — a planted 55-gallon display.
Load this build in the planner ↑Pearl + harlequin
✓ Good starter plan1× Pearl Gourami, 8× Harlequin Rasbora
A single graceful centrepiece above a rasbora school for a planted 30-gallon.
Load this build in the planner ↑Common questions
What fish can live with pearl gouramis?
Peaceful community fish of moderate size: larger tetras (rummynose, congo), rasboras, corydoras, peaceful catfish, and other calm species. Avoid fin-nippers, which target their long pelvic feelers.
Can you keep multiple pearl gouramis?
Yes — they are peaceful enough to keep as a pair or small group in a large tank, unlike the more combative dwarf and three-spot gouramis.
How big do pearl gouramis get?
About 12 cm, the largest of the commonly-kept gouramis, so they need a longer tank (30 gallons-plus) than nano anabantoids.
More on Pearl Gourami
Related guides on TankStocking — each scored by the same welfare engine as the planner.
Care guides
Compatibility checks
Browse all fish
Compatibility is a planning estimate: individual temperament, tank layout, and group sizes all matter. Cycle the tank, add fish gradually, and watch how they behave. See the methodology or browse the full freshwater fish list.