Penguin Tetra (Thayeria boehlkei)

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Penguin Tetra

Penguin Tetra

Thayeria boehlkei

57 Litres (15 US G.)

5.1-7.6cm (2-3 ")




6.0 - 8.0

23 -27 °C (73.4-80.6°F)

5-19 °d

2:3 M:F

Pellet Foods
Flake Foods
Live Foods

5-8 years



Additional names

Penguin Tetra, Penguin Fish, Hockey Stick Tetra, Blackline Penguinfish

Sexing[edit | edit source]

Females are larger and have thicker bodies than males when mature.

Tank compatibility[edit | edit source]

A shoaling fish that must be kept in groups of 6 or more. Do not keep with predatory fish. Can be kept with similar sized shoaling fish, can also be nippy and shouldn't be kept with slower long finned fish.

Diet[edit | edit source]

Will take most foods including pellets and flakes as well as live/frozen food such as brine shrimp and daphnia.

Feeding regime[edit | edit source]

Feed once or twice a day.

Environment specifics[edit | edit source]

They need a spacious tank with lots of open swimming space. Some hiding places in tall plants is appreciated. They are sensitive to high nitrate levels.

Behaviour[edit | edit source]

They have been seen to bond with the Black Neon Tetras, shoaling together. They swim with occasional hopping motion, with the tail down a few degrees. The lower rear fin colouring intensifying this behaviour.

Identification[edit | edit source]

This fish has a grey/silver elongated body with a thick black horizontal stripe, which extends from the head to the tip of the bottom half of the tail, in a 'hockey stick' design.

Pictures[edit | edit source]

External links[edit | edit source]