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 265 - 288 of 735 Tank Mates

Harlequin Rasbora & Fiddler Crab (Brackish)

Trigonostigma heteromorpha · Uca sp.

Harlequin Rasbora & Figure 8 Puffer (Brackish)

Trigonostigma heteromorpha · Dichotomyctere ocellatus

Harlequin Rasbora & Filament Barb

Trigonostigma heteromorpha · Dawkinsia filamentosa

Possible with Caution

Harlequin Rasbora: PeacefulFilament Barb: Mostly Peaceful

Harlequin Rasbora & Finger Fish

Trigonostigma heteromorpha · Monodactylus argenteus

Harlequin Rasbora & Fire Eel

Trigonostigma heteromorpha · Mastacembelus erythrotaenia

Possible with Caution

Harlequin Rasbora: PeacefulFire Eel: Mostly Peaceful

Harlequin Rasbora & Fire Tetra

Trigonostigma heteromorpha · Hyphessobrycon flammeus

Ideal Tank Mates

Harlequin Rasbora: PeacefulFire Tetra: Peaceful

Harlequin Rasbora & Firemouth Cichlid

Trigonostigma heteromorpha · Thorichthys meeki

Possible with Caution

Harlequin Rasbora: PeacefulFiremouth Cichlid: Semi-Aggressive

Harlequin Rasbora & Five Banded Barb

Trigonostigma heteromorpha · Desmopuntius pentazona

Possible with Caution

Harlequin Rasbora: PeacefulFive Banded Barb: Peaceful

Harlequin Rasbora & Flag Tetra

Trigonostigma heteromorpha · Hyphessobrycon heterorhabdus

Ideal Tank Mates

Harlequin Rasbora: PeacefulFlag Tetra: Peaceful

Harlequin Rasbora & Flagtail Cory (Mrs Schwartz's Cory)

Trigonostigma heteromorpha · Corydoras robineae

Possible with Caution

Harlequin Rasbora: PeacefulFlagtail Cory (Mrs Schwartz's Cory): Peaceful

Harlequin Rasbora & Flagtail Prochilodus

Trigonostigma heteromorpha · Semaprochilodus insignis

Possible with Caution

Harlequin Rasbora: PeacefulFlagtail Prochilodus: Semi-Aggressive

Harlequin Rasbora & Flash Pleco (L204)

Trigonostigma heteromorpha · Panaqolus albomaculatus

Possible with Caution

Harlequin Rasbora: PeacefulFlash Pleco (L204): Mostly Peaceful

Harlequin Rasbora & Flavus Cichlid (Pseudotropheus Flavus)

Trigonostigma heteromorpha · Chindongo flavus

Harlequin Rasbora & Florida Flagfish

Trigonostigma heteromorpha · Jordanella floridae

Possible with Caution

Harlequin Rasbora: PeacefulFlorida Flagfish: Semi-Aggressive

Harlequin Rasbora & Florida Gar

Trigonostigma heteromorpha · Lepisosteus platyrhincus

Possible with Caution

Harlequin Rasbora: PeacefulFlorida Gar: Aggressive

Harlequin Rasbora & Flower Stingray

Trigonostigma heteromorpha · Potamotrygon schroederi

Possible with Caution

Harlequin Rasbora: PeacefulFlower Stingray: Semi-Aggressive

Harlequin Rasbora & Flowerhorn Cichlid

Trigonostigma heteromorpha · Hybrid cichlid (Amphilophus cross)

Possible with Caution

Harlequin Rasbora: PeacefulFlowerhorn Cichlid: Highly Aggressive

Harlequin Rasbora & Fly River Rainbowfish

Trigonostigma heteromorpha · Melanotaenia sexlineata

Ideal Tank Mates

Harlequin Rasbora: PeacefulFly River Rainbowfish: Peaceful

Harlequin Rasbora & Flying Fox

Trigonostigma heteromorpha · Epalzeorhynchos kalopterus

Possible with Caution

Harlequin Rasbora: PeacefulFlying Fox: Aggressive

Harlequin Rasbora & Flyspeck Hardyhead

Trigonostigma heteromorpha · Craterocephalus stercusmuscarum

Ideal Tank Mates

Harlequin Rasbora: PeacefulFlyspeck Hardyhead: Peaceful

Harlequin Rasbora & Forktail Blue-eye

Trigonostigma heteromorpha · Pseudomugil furcatus

Ideal Tank Mates

Harlequin Rasbora: PeacefulForktail Blue-eye: Peaceful

Harlequin Rasbora & Fort Maguire Peacock

Trigonostigma heteromorpha · Aulonocara hansbaenschi

Harlequin Rasbora & Fosso Cichlid (Fossorochromis rostratus)

Trigonostigma heteromorpha · Fossorochromis rostratus

Harlequin Rasbora & Freshwater Angelfish

Trigonostigma heteromorpha · Pterophyllum scalare

Possible with Caution

Harlequin Rasbora: PeacefulFreshwater Angelfish: Semi-Aggressive