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TankMinded

Can Blue Emperor Tetra Live With Siamese Algae Eater?

By Alex WalshLast reviewed Apr 18, 2026
Yes

Yes, Blue Emperor Tetras and Siamese Algae Eaters do well together because both species are peaceful and thrive in similar water conditions without competing for territory.

Why

Minimum shared tank
30 gallons
Shared temperature range
75-79°F

What could go wrong

Siamese Algae Eaters can be skittish in small tanks and may hide constantly, leading to stress and poor appetite if the tank lacks adequate length.

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 75-79°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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Frequently Asked Questions