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Harlequin Rasbora Tank Mates & Compatibility

Harlequin Rasbora

Trigonostigma heteromorpha

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TemperamentPeaceful (1/10)
Adult Size4.5 cm
Temperature22–28°C
Water TypeFreshwater Only
Swim ZoneMid-level, Surface
StockingSchool of 6+
Showing 1 - 24 of 147 Tank Mates

Harlequin Rasbora & African Butterfly Cichlid

Trigonostigma heteromorpha · Anomalochromis thomasi

🟢Ideal Tank Mates
Harlequin Rasbora: PeacefulAfrican Butterfly Cichlid: Mostly Peaceful

Harlequin Rasbora & African Butterfly Fish

Trigonostigma heteromorpha · Pantodon buchholzi

🟡Possible with Caution
Harlequin Rasbora: PeacefulAfrican Butterfly Fish: Semi-Aggressive

Harlequin Rasbora & African Jewel Cichlid

Trigonostigma heteromorpha · Hemichromis bimaculatus

🟡Possible with Caution
Harlequin Rasbora: PeacefulAfrican Jewel Cichlid: Aggressive

Harlequin Rasbora & Amano Shrimp

Trigonostigma heteromorpha · Caridina multidentata

🟢Ideal Tank Mates
Harlequin Rasbora: PeacefulAmano Shrimp: Peaceful

Harlequin Rasbora & Amazon Leaf Fish

Trigonostigma heteromorpha · Monocirrhus polyacanthus

🟡Possible with Caution
Harlequin Rasbora: PeacefulAmazon Leaf Fish: Peaceful

Harlequin Rasbora & Amazon Puffer

Trigonostigma heteromorpha · Colomesus asellus

🟢Ideal Tank Mates
Harlequin Rasbora: PeacefulAmazon Puffer: Mostly Peaceful

Harlequin Rasbora & Assassin Snail

Trigonostigma heteromorpha · Clea helena

🟢Ideal Tank Mates
Harlequin Rasbora: PeacefulAssassin Snail: Peaceful

Harlequin Rasbora & Bala Shark

Trigonostigma heteromorpha · Balantiocheilos melanopterus

🟢Ideal Tank Mates
Harlequin Rasbora: PeacefulBala Shark: Mostly Peaceful

Harlequin Rasbora & Bamboo Shrimp

Trigonostigma heteromorpha · Atyopsis moluccensis

🟡Possible with Caution
Harlequin Rasbora: PeacefulBamboo Shrimp: Peaceful

Harlequin Rasbora & Banded Archerfish (Brackish)

Trigonostigma heteromorpha · Toxotes jaculatrix

🔴Not Recommended
Harlequin Rasbora: PeacefulBanded Archerfish (Brackish): Semi-Aggressive

Harlequin Rasbora & Beckford's Pencilfish

Trigonostigma heteromorpha · Nannostomus beckfordi

🟡Possible with Caution
Harlequin Rasbora: PeacefulBeckford's Pencilfish: Peaceful

Harlequin Rasbora & Bee Shrimp (Crystal Red / Black)

Trigonostigma heteromorpha · Caridina cantonensis

🟡Possible with Caution
Harlequin Rasbora: PeacefulBee Shrimp (Crystal Red / Black): Peaceful

Harlequin Rasbora & Betta (Siamese Fighting Fish)

Trigonostigma heteromorpha · Betta splendens

🟡Possible with Caution
Harlequin Rasbora: PeacefulBetta (Siamese Fighting Fish): Semi-Aggressive

Harlequin Rasbora & Black Ghost Knifefish

Trigonostigma heteromorpha · Apteronotus albifrons

🟡Possible with Caution
Harlequin Rasbora: PeacefulBlack Ghost Knifefish: Semi-Aggressive

Harlequin Rasbora & Black Pacu

Trigonostigma heteromorpha · Colossoma macropomum

🟢Ideal Tank Mates
Harlequin Rasbora: PeacefulBlack Pacu: Mostly Peaceful

Harlequin Rasbora & Black Skirt Tetra

Trigonostigma heteromorpha · Gymnocorymbus ternetzi

🟢Ideal Tank Mates
Harlequin Rasbora: PeacefulBlack Skirt Tetra: Mostly Peaceful

Harlequin Rasbora & Blue Dolphin (Hap)

Trigonostigma heteromorpha · Cyrtocara moorii

🟡Possible with Caution
Harlequin Rasbora: PeacefulBlue Dolphin (Hap): Semi-Aggressive

Harlequin Rasbora & Boeseman's Rainbowfish

Trigonostigma heteromorpha · Melanotaenia boesemani

🟢Ideal Tank Mates
Harlequin Rasbora: PeacefulBoeseman's Rainbowfish: Peaceful

Harlequin Rasbora & Bristlenose Pleco

Trigonostigma heteromorpha · Ancistrus cirrhosus

🟢Ideal Tank Mates
Harlequin Rasbora: PeacefulBristlenose Pleco: Peaceful

Harlequin Rasbora & Bronze Corydoras

Trigonostigma heteromorpha · Corydoras aeneus

🟢Ideal Tank Mates
Harlequin Rasbora: PeacefulBronze Corydoras: Peaceful

Harlequin Rasbora & Bucktooth Tetra (Exodon)

Trigonostigma heteromorpha · Exodon paradoxus

🟡Possible with Caution
Harlequin Rasbora: PeacefulBucktooth Tetra (Exodon): Highly Aggressive

Harlequin Rasbora & Bumblebee Goby (Brackish)

Trigonostigma heteromorpha · Brachygobius xanthozonus

🔴Not Recommended
Harlequin Rasbora: PeacefulBumblebee Goby (Brackish): Mostly Peaceful

Harlequin Rasbora & Cardinal Tetra

Trigonostigma heteromorpha · Paracheirodon axelrodi

🟡Possible with Caution
Harlequin Rasbora: PeacefulCardinal Tetra: Peaceful

Harlequin Rasbora & Celebes Rainbowfish

Trigonostigma heteromorpha · Marosatherina ladigesi

🟢Ideal Tank Mates
Harlequin Rasbora: PeacefulCelebes Rainbowfish: Peaceful