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TankMinded

Can Buenos Aires Tetra Live With Electric Blue Acara?

By Alex WalshLast reviewed Apr 18, 2026
Yes

Yes, Buenos Aires Tetras and Electric Blue Acaras do well together because both species tolerate similar water conditions and occupy different swimming zones.

Why

Minimum shared tank
30 gallons
Shared temperature range
72-82°F

What could go wrong

Buenos Aires Tetras are known to nip at long-finned fish, which can stress an Electric Blue Acara if the tank is too small or the school is too small.

Gear for a shared tank

Sized for the 30 gallon minimum this pairing needs. Affiliate links — we earn a small commission if you buy through them.

AquaClear 70 Power Filter

Oversized filtration is what lets you stock two species together without water quality crashing. Rated for a tank slightly larger than the 30 gallon minimum.

Eheim Jager 200W Thermostat Heater

Holds a steady temperature inside the 72-82°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.

Related compatibility questions

Keep reading

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