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+

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Compatible on paper, but will Harlequin Rasbora fit your setup?

Tank mates can still go wrong if the tank is too small, already full, or the water is a poor match. Add Harlequin Rasbora to the stocking calculator to check space, stocking pressure, and water needs before you add it.

Harlequin Rasbora

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Showing 1 - 24 of 735 Tank Mates

Harlequin Rasbora & Kabia rainbowfish

Trigonostigma heteromorpha · Glossolepis kabia

Ideal Tank Mates

Harlequin Rasbora: Peaceful Kabia rainbowfish: Peaceful

Harlequin Rasbora & Abei Puffer

Trigonostigma heteromorpha · Pao abei

Possible with Caution

Harlequin Rasbora: PeacefulAbei Puffer: Highly Aggressive

Harlequin Rasbora & Achara Catfish

Trigonostigma heteromorpha · Leiarius marmoratus

Possible with Caution

Harlequin Rasbora: PeacefulAchara Catfish: Semi-Aggressive

Harlequin Rasbora & Adolfo Cory

Trigonostigma heteromorpha · Corydoras adolfoi

Ideal Tank Mates

Harlequin Rasbora: PeacefulAdolfo Cory: Peaceful

Harlequin Rasbora & Adonis Pleco

Trigonostigma heteromorpha · Acanthicus adonis

Possible with Caution

Harlequin Rasbora: PeacefulAdonis Pleco: Aggressive

Harlequin Rasbora & Aequidens Jenaro Herrera

Trigonostigma heteromorpha · Aequidens sp. 'Jenaro Herrera'

Possible with Caution

Harlequin Rasbora: PeacefulAequidens Jenaro Herrera: Semi-Aggressive

Harlequin Rasbora & Aequidens diadema (Diadem Cichlid)

Trigonostigma heteromorpha · Aequidens diadema

Possible with Caution

Harlequin Rasbora: PeacefulAequidens diadema (Diadem Cichlid): Semi-Aggressive

Harlequin Rasbora & Aequidens sp. Atabapo

Trigonostigma heteromorpha · Aequidens sp. Atabapo

Possible with Caution

Harlequin Rasbora: PeacefulAequidens sp. Atabapo: Semi-Aggressive

Harlequin Rasbora & Afra Cichlid

Trigonostigma heteromorpha · Cynotilapia afra

Harlequin Rasbora & African Arowana

Trigonostigma heteromorpha · Heterotis niloticus

Possible with Caution

Harlequin Rasbora: PeacefulAfrican Arowana: Mostly Peaceful

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 Clawed Frog

Trigonostigma heteromorpha · Xenopus laevis

Possible with Caution

Harlequin Rasbora: PeacefulAfrican Clawed Frog: Aggressive

Harlequin Rasbora & African Dwarf Frog

Trigonostigma heteromorpha · Hymenochirus boettgeri

Possible with Caution

Harlequin Rasbora: PeacefulAfrican Dwarf Frog: Peaceful

Harlequin Rasbora & African Jewel Cichlid

Trigonostigma heteromorpha · Hemichromis bimaculatus

Possible with Caution

Harlequin Rasbora: PeacefulAfrican Jewel Cichlid: Aggressive

Harlequin Rasbora & African Knifefish

Trigonostigma heteromorpha · Xenomystus nigri

Possible with Caution

Harlequin Rasbora: PeacefulAfrican Knifefish: Semi-Aggressive

Harlequin Rasbora & African Lungfish

Trigonostigma heteromorpha · Protopterus annectens

Possible with Caution

Harlequin Rasbora: PeacefulAfrican Lungfish: Highly Aggressive

Harlequin Rasbora & African Pike

Trigonostigma heteromorpha · Hepsetus odoe

Possible with Caution

Harlequin Rasbora: PeacefulAfrican Pike: Aggressive

Harlequin Rasbora & African Pipefish

Trigonostigma heteromorpha · Enneacampus ansorgii

Possible with Caution

Harlequin Rasbora: PeacefulAfrican Pipefish: Peaceful

Harlequin Rasbora & Agassiz Cory

Trigonostigma heteromorpha · Corydoras agassizii

Ideal Tank Mates

Harlequin Rasbora: PeacefulAgassiz Cory: Peaceful

Harlequin Rasbora & Agassiz's Dwarf Cichlid

Trigonostigma heteromorpha · Apistogramma agassizii

Possible with Caution

Harlequin Rasbora: PeacefulAgassiz's Dwarf Cichlid: Semi-Aggressive

Harlequin Rasbora & Ajamaru Rainbowfish

Trigonostigma heteromorpha · Melanotaenia ajamaruensis

Possible with Caution

Harlequin Rasbora: PeacefulAjamaru Rainbowfish: Peaceful

Harlequin Rasbora & Allen's Rainbowfish

Trigonostigma heteromorpha · Chilatherina alleni

Ideal Tank Mates

Harlequin Rasbora: PeacefulAllen's Rainbowfish: Peaceful

Harlequin Rasbora & Alligator Gar

Trigonostigma heteromorpha · Atractosteus spatula

Possible with Caution

Harlequin Rasbora: PeacefulAlligator Gar: Aggressive