
Penguin tetra
Thayeria boehlkei
It sits at a tilt with its nose angled up, hanging near the surface.
The Penguin tetra (Thayeria boehlkei) is a tropical freshwater fish of the family Acestrorhamphidae. Adults grow to about 4.5 cm. In the aquarium it needs a tank at least 60 cm long and water at 22–28 °C.
- Size
- 4.5 cm
- Smallest tank
- 60 cm
- Temperature
- 22–28 °C
- Care
- Easy
In the aquarium
Temperature22–28 °C
pH5.5–7.5
Hardness1–12 °dGH
- Temperament
- Peaceful
- Diet
- Omnivore
- Activity
- Moderate
- Water layer
- Surface
- Group
- Happiest in a group of 8 or more
- Plants
- Plant safe
These values are compiled from real species data, and the LumaReef simulation is built to keep them true to life.
Which tank it fits
- Nano60 cm · 65 litres21 of them
- Standard90 cm · 180 litres60 of them
- Wide120 cm · 300 litres100 of them
- Living room180 cm · 650 litres216 of them
- Showcase250 cm · 1,200 litres400 of them
- Gallery300 cm · 1,440 litres480 of them
Who it lives with
Gets along83 species
- Cardinal tetra
- Lemon tetra
- Harlequin rasbora
- Odessa barb
- Black neon tetra
- Serpae tetra
- Glowlight tetra
- Emperor tetra
- Zebra danio
- Cherry barb
- Guppy
- Platy
- Neon tetra
- Glowlight danio
- Dwarf chain loach
- Green neon tetra
- Black skirt tetra
- Diamond tetra
- Silver hatchetfish
- Lambchop rasbora
- Pearl danio
- Tiger barb
- Endler's livebearer
- Galaxy rasbora
Caution7 species
Narrow shared temperature range
Not together9 species
Aggressive with peaceful
Water temperatures do not overlap
In the wild
- Water type
- Freshwater
- Climate zone
- Tropical
- Aquarium trade
- Traded commercially
Conservation status
Classification
- OrderCharaciformes
- FamilyAcestrorhamphidae
- GenusThayeria
- SpeciesThayeria boehlkei
- Described byWeitzman, 1957
In other languages
- German
- Schrägschwimmer
- Spanish
- Pez Pingüino
- Dutch
- Zilvertetra
- Russian
- Косая тайэрия
Quick answers
- Penguin tetra size: how big does it get?
- Adults reach about 4.5 cm. Record sizes among the 13 Acestrorhamphidae species on LumaReef: 2 cm (Ember tetra) to 7.5 cm (Black skirt tetra).
- Penguin tetra tank size: what is the minimum?
- A tank at least 60 cm long. In LumaReef that is the Nano tank or larger.
- Penguin tetra water parameters: what does it need?
- Temperature 22–28 °C, pH 5.5–7.5, hardness 1–12 °dGH. Close to what most Acestrorhamphidae on LumaReef need (23–28 °C).
- Penguin tetra tank mates: what can it live with?
- It gets along with 83 of the 99 freshwater species in the catalogue, such as Cardinal tetra, Lemon tetra, and Harlequin rasbora.
- Penguin tetra: alone or in a group?
- Keep at least 8 together.
- Penguin tetra and plants: is it plant safe?
- Yes, it leaves plants alone.
Similar species
Sources
Penguin tetra: compiled from these references.









