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Twospot Astyanax, photographed on a transparent background
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FreshwaterComing soonCommon

Twospot Astyanax

Astyanax bimaculatus

The Twospot Astyanax (Astyanax bimaculatus) is a subtropical freshwater fish of the family Characidae. It swims in midwater, close to the bottom. It grows to 17.5 cm (total length). The IUCN Red List rates it Least Concern. In the aquarium it is kept at 20–28 °C.

Size
17.5 cmtotal length
Temperature
20–28 °C
pH
5.5–7.5
Tank footprint
120 × 60 cm

In the aquarium

Temperature20–28 °C
pH5.5–7.5
Hardness2–20 °dGH
Drawn to scale in a 120 cm tank

In the wild

Water type
Freshwater
Climate zone
Subtropical
Habitat
Midwater, close to the bottom
Aquarium trade
Traded commercially

Conservation status

Classification

  1. OrderCharaciformes
  2. FamilyCharacidae
  3. GenusAstyanax
  4. SpeciesAstyanax bimaculatus

Quick answers

Twospot Astyanax size: how big does it get?
It grows to 17.5 cm (total length).
Twospot Astyanax tank size: what is the minimum?
A tank with a footprint of at least 120 × 60 cm.
Twospot Astyanax water parameters: what does it need?
Temperature 20–28 °C, pH 5.5–7.5, hardness 2–20 °dGH.
Twospot Astyanax: is it endangered?
The IUCN Red List rates it Least Concern.

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Sources

The figures on this page are compiled from the references below.