AquaMateCheck Fish Compatibility & Tank Mate Checker

Harlequin Rasbora — Fish Profile

Trigonostigma heteromorpha

Quick Specs

Adult Size:2.0"
Temperament:peaceful
Care Level:beginner
Min Tank Size:10 gallons
Temperature:73-79°F
pH Range:5.5-7.0
Diet:omnivore
Origin:Southeast Asia
Lifespan:5-8 years

Overview

Harlequin rasboras are peaceful schooling fish with a distinctive black triangular patch. Perfect for planted community tanks.

Compatible Tank Mates

🟢 Good Tank Mates

Neon Tetra Corydoras Dwarf Gourami Betta

🟡 Caution Tank Mates

Angelfish

🔴 Risky Tank Mates

Tiger Barb Cichlid

Recommended for Harlequin Rasbora

Seachem Flourish Excel — $12.99

Plant supplement for planted tanks