Can Betta Fish Live With Flowerhorn Cichlid?
No, flowerhorn cichlids grow 10-16 inches, are extremely aggressive, and will kill any fish in the tank regardless of size.
Why
- Flowerhorn cichlids reach 10-16 inches and are among the most aggressive freshwater fish, viewing the entire tank as their territory.
- They develop nuchal humps on their foreheads and have powerful jaws capable of killing fish much larger than themselves.
- Flowerhorns need 75-125 gallons minimum and produce heavy bioload that overwhelms typical betta setups.
- They require warmer water (80-86F) than bettas, with pH 7.0-8.5, which is at the edge of betta tolerance.
- Flowerhorns attack without provocation. Even large, fast fish are not safe from their aggression.
What could go wrong
A flowerhorn will attack the betta immediately and continue attacking until the betta is dead or severely injured.
If you keep them in separate tanks
Sized for the 75 gallon minimum this pairing needs. Affiliate links — we earn a small commission if you buy through them.
Fluval 307 Performance Canister Filter
Oversized filtration is what lets you stock two species together without water quality crashing. Rated for a tank slightly larger than the 75 gallon minimum.
Eheim Jager 300W Thermostat Heater
Holds a steady temperature inside the 80-82°F window both species need.
API Freshwater Master Test Kit
Keep ammonia, nitrite, and nitrate in check. Two-species tanks have more bioload and less margin for error than single-species setups.
Better pairings to consider
Bettas do well in species-only tanks or peaceful community setups. Flowerhorns must be kept alone in species-only tanks of 125+ gallons.
Related compatibility questions
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