Tank setup
Size the aquarium to Penguin Tetra's adult size and activity level. Match décor to natural behaviour — plants, rockwork, or open swimming room as needed.
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Freshwater Fish
Tetras & Small Schooling Fish
Common
Thayeria boehlkei
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What to know before you buy.
Easily identified by its distinctive black stripe that extends from its body down into the lower lobe of its tail, the Penguin Tetra is a very active species. They have a unique habit of swimming at a head-up, oblique angle. This active schooling fish adds a dynamic element to the upper levels of the aquarium.
Key traits
Select a tank to see how this species fits.
Everything you need to keep Penguin Tetra healthy in a South African setup.
Size the aquarium to Penguin Tetra's adult size and activity level. Match décor to natural behaviour — plants, rockwork, or open swimming room as needed.
Keep pH 6–8 and 22–28°C. Stable parameters matter more than chasing perfect numbers — acclimate new arrivals slowly.
Penguin Tetra is an omnivore. Feed a varied diet appropriate for freshwater fish — quality flakes, pellets, or frozen foods sized to the mouth.
Penguin Tetra is generally peaceful. Keep in a group where possible for natural behaviour.
Pair with similarly sized peaceful tankmates in freshwater fish. Avoid fin-nippers or species that outgrow this fish.
Breeding notes for Penguin Tetra vary by line and water chemistry — ask your local shop about proven pairs in SA.
From hobbyists across SA.
Price trends and buyer demand — data only FishHub tracks.
SA price range this month: R45–150 · Average: R61
This data is unique to FishHub
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Species that typically work alongside Penguin Tetra in a similar setup.
Pristella Tetra
Pristella maxillaris
Glass Bloodfin Tetra
Prionobrama filigera
Flame Tetra
Hyphessobrycon flammeus
Ember Tetra
Hyphessobrycon amandae
Cardinal Tetra
Paracheirodon axelrodi
Ruby Tetra
Axelrodia riesei
Green Neon Tetra
Paracheirodon simulans
Buenos Aires Tetra
Hyphessobrycon anisitsi