AquaMateCheck Fish Compatibility & Tank Mate Checker

Can Harlequin Rasbora live with Neon Tetra?

🟢 GOOD

These two species are usually compatible in community tanks.

Harlequin Rasbora

Trigonostigma heteromorpha

Adult Size:2.0"
Temperament:peaceful
Min Tank:10 gal
Temperature:73-79°F
pH Range:5.5-7.0
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Neon Tetra

Paracheirodon innesi

Adult Size:1.2"
Temperament:peaceful
Min Tank:10 gal
Temperature:68-77°F
pH Range:5.5-7.0
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Water Parameter Overlap

Parameter Harlequin Rasbora Neon Tetra Overlap
Temperature 73-79°F 68-77°F 4°F ✓
pH 5.5-7.0 5.5-7.0 1.5 ✓

Why GOOD?

Temperament Match: peaceful + peaceful. Both peaceful → minimal conflict.

Score: 100.0/100 (GOOD threshold: GOOD ≥80, CAUTION ≥50, RISKY <50).

🔧 Tank Stocking Calculator

Enter tank size to calculate safe stocking levels:

Recommended Equipment

Based on tank size 10+ gallons:

Seachem Flourish Excel — $12.99

Plant supplement for planted tanks

Accuracy note: This tool uses expert rules + FishBase.org data. Individual fish behavior varies. Always observe, quarantine new arrivals for 2-4 weeks, and avoid overcrowding.