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 289 - 312 of 735 Tank Mates

Harlequin Rasbora & Freshwater Barracuda

Trigonostigma heteromorpha · Ctenolucius hujeta

Possible with Caution

Harlequin Rasbora: PeacefulFreshwater Barracuda: Semi-Aggressive

Harlequin Rasbora & Freshwater Flounder

Trigonostigma heteromorpha · Trinectes maculatus

Harlequin Rasbora & Freshwater Harlequin Shrimp (Sulawesi)

Trigonostigma heteromorpha · Caridina cf. spongicola

Possible with Caution

Harlequin Rasbora: PeacefulFreshwater Harlequin Shrimp (Sulawesi): Peaceful

Harlequin Rasbora & Freshwater Shark (Wallago)

Trigonostigma heteromorpha · Wallago attu

Possible with Caution

Harlequin Rasbora: PeacefulFreshwater Shark (Wallago): Highly Aggressive

Harlequin Rasbora & Freshwater Sole

Trigonostigma heteromorpha · Brachirus selheimi

Possible with Caution

Harlequin Rasbora: PeacefulFreshwater Sole: Mostly Peaceful

Harlequin Rasbora & Freshwater Toadfish (Prehistoric Monster Fish)

Trigonostigma heteromorpha · Thalassophryne amazonica

Possible with Caution

Harlequin Rasbora: PeacefulFreshwater Toadfish (Prehistoric Monster Fish): Aggressive

Harlequin Rasbora & Frogmouth Catfish

Trigonostigma heteromorpha · Chaca chaca

Possible with Caution

Harlequin Rasbora: PeacefulFrogmouth Catfish: Aggressive

Harlequin Rasbora & Frontosa

Trigonostigma heteromorpha · Cyphotilapia frontosa

Harlequin Rasbora & Fuelleborn's Cichlid

Trigonostigma heteromorpha · Labeotropheus fuelleborni

Harlequin Rasbora & Gangetic Leaf Fish

Trigonostigma heteromorpha · Nandus nandus

Possible with Caution

Harlequin Rasbora: PeacefulGangetic Leaf Fish: Aggressive

Harlequin Rasbora & Gardner's Killifish

Trigonostigma heteromorpha · Fundulopanchax gardneri

Possible with Caution

Harlequin Rasbora: PeacefulGardner's Killifish: Mostly Peaceful

Harlequin Rasbora & Garnet Tetra

Trigonostigma heteromorpha · Hemigrammus pulcher

Possible with Caution

Harlequin Rasbora: PeacefulGarnet Tetra: Peaceful

Harlequin Rasbora & Geophagus Orange Head Tapajos

Trigonostigma heteromorpha · Geophagus sp. 'Orange Head'

Ideal Tank Mates

Harlequin Rasbora: PeacefulGeophagus Orange Head Tapajos: Mostly Peaceful

Harlequin Rasbora & German Blue Ram

Trigonostigma heteromorpha · Mikrogeophagus ramirezi

Possible with Caution

Harlequin Rasbora: PeacefulGerman Blue Ram: Mostly Peaceful

Harlequin Rasbora & Gertrude's Spotted Blue-eye

Trigonostigma heteromorpha · Pseudomugil gertrudae

Ideal Tank Mates

Harlequin Rasbora: PeacefulGertrude's Spotted Blue-eye: Peaceful

Harlequin Rasbora & Ghost Shrimp

Trigonostigma heteromorpha · Palaemonetes paludosus

Ideal Tank Mates

Harlequin Rasbora: PeacefulGhost Shrimp: Peaceful

Harlequin Rasbora & Giant Danio

Trigonostigma heteromorpha · Devario aequipinnatus

Ideal Tank Mates

Harlequin Rasbora: PeacefulGiant Danio: Mostly Peaceful

Harlequin Rasbora & Giant Gourami

Trigonostigma heteromorpha · Osphronemus goramy

Possible with Caution

Harlequin Rasbora: PeacefulGiant Gourami: Semi-Aggressive

Harlequin Rasbora & Giant Whiptail Catfish

Trigonostigma heteromorpha · Proloricaria prolixa

Possible with Caution

Harlequin Rasbora: PeacefulGiant Whiptail Catfish: Peaceful

Harlequin Rasbora & Glass Bloodfin Tetra

Trigonostigma heteromorpha · Prionobrama filigera

Ideal Tank Mates

Harlequin Rasbora: PeacefulGlass Bloodfin Tetra: Peaceful

Harlequin Rasbora & Glass Catfish

Trigonostigma heteromorpha · Kryptopterus vitreolus

Possible with Caution

Harlequin Rasbora: PeacefulGlass Catfish: Peaceful

Harlequin Rasbora & Glowlight Danio

Trigonostigma heteromorpha · Danio choprae

Ideal Tank Mates

Harlequin Rasbora: PeacefulGlowlight Danio: Peaceful

Harlequin Rasbora & Glowlight Tetra

Trigonostigma heteromorpha · Hemigrammus erythrozonus

Possible with Caution

Harlequin Rasbora: PeacefulGlowlight Tetra: Peaceful

Harlequin Rasbora & Goby Pleco (Pitbull Pleco)

Trigonostigma heteromorpha · Parotocinclus jumbo

Possible with Caution

Harlequin Rasbora: PeacefulGoby Pleco (Pitbull Pleco): Peaceful