Harlequin Rasbora
Trigonostigma heteromorpha
Origin & Appearance
From calm, vegetated waters in Southeast Asia; copper-orange body with a distinct black triangular patch.
Care
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Tank: 60L+
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Temp: 23–27°C
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pH: 6.0–7.5
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Flow: low–moderate
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Water change: 25–40% weekly
Temperament & Schooling
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Peaceful
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School of 6-10+
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Great for community tanks
Diet
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Omnivore flakes/pellets
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Add frozen/live foods
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Feed small amounts 1–2× daily
Tank Setup
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Plants + open swimming space
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Soft, dim lighting
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Dark substrate preferred
Notes
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Ideal with other small peaceful fish
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Very hardy when kept in proper groups
