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Penguin Tetra
Thayeria boehlkei
Family: Characidae
The penguin tetra is immediately recognised by its bold black stripe that runs down the lower body and into the lower caudal lobe — and by the unique way it holds its body at a nose-up angle while swimming. This head-up posture gives schools a distinctive, elegant appearance. A hardy, peaceful fish that suits most community setups.
Keeping this species
- diet
- Omnivore – flake, micro pellets, small frozen foods
- schooling
- 8+ recommended
- tank size
- 20 gallons minimum
- temperament
- Peaceful schooling fish
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Tips from the community 💡
0 tipsReal experiences, care advice, and keeper notes. Finn learns from these too.
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Water it likes
- ph
- 6.0–7.5
- hardness
- 3–15 dGH
- temperature
- 72–81°F (22–27°C)