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Penguin tetra (Thayeria boehlkei)
Photo: Andrew Gray · CC BY-SA 3.0 via Wikimedia Commons

Penguin tetra

Thayeria boehlkei · Characidae

Also known as Blackline penguinfish, Hockey stick tetra

Beginner

Swims at a nose-up angle with a black hook down the tail; active and hardy.

Minimum tank
110 L
Temperature
22–28 °C
pH
6–7.8
Adult size
6 cm
Group size
6+
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Care requirements
Minimum tank volume
110 L
Temperature
22–28 °C
pH
6–7.8
Hardness
3–18 dGH
Lifespan
3–5 years
Diet
Omnivore — flake, pellets, frozen foods.
Care level
Beginner
Origin & habitat
Native region
Araguaia basin, Brazil and Peru
Water type
Freshwater
Biotope
Slow river margins
Natural conditions
Soft to medium water with open swimming space.
Behaviour & stocking
Temperament
Peaceful
Minimum group
6 fish
Swims
Mid-water
Good tank mates
Corydoras
Rasboras
Gouramis
Avoid
Tiny shrimp
Aggressive cichlids
Breeding & difficulty
Breeding difficulty
Intermediate
Sexing
Females are fuller-bodied.
Notes
Egg scatterer among fine plants.
Common ailments
Ich
Fin rot

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