Buenos Aires Tetra


Buenos Aires Tetra are a lively, slightly aggressive fish that live in freshwater aquariums. The fish are very hardy so great for first-time fish keepers. They can be fin-nippers, so a little care must be taken when choosing co-inhabitants.The Buenos Aires tetra will thrive in tanks with plenty of space to swim.

The Buenos Aires tetra originates from its namesake, South America. They are found in South America in the La Plata region of Argentina, Paraguay, and southeastern Brazil where they are commonly found in rivers, ponds, lakes, and streams.

Please be aware that the image is for illustration purposes only. We are unable to guarantee the size, colour, sex or age of the fishes you are purchasing. If you have any questions regarding livestock please contact us. To minimise stress we are unable to hand pick specific fish. Lifespan is an estimate based on optimum conditions.


Approx. size: 1-2cm
Maximum size: 6cm
Origin: South America
Ideal number kept together: 5+

Water conditions

pH: 5.5-8.5
Hardness: 18-357 ppm
Temperature: 16–28 °C

Ease of care
Easy. These warm water fish are great for hobbyist just starting to look after tropical freshwater fishes.

The main food we recommend would be tropical fish flake. Occasional live or frozen food can be given as a treat.

Community with no long fined fish.


Moderate. Egg layer. They have special requirements that will need to be researched. Males are more colourful and females are usually slimmer.

Life Span

They can live to anything from 3-5 years in perfect conditions.

Available on back-order