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Hemiodus unimaculatus, photographed on a transparent background
Photo: Clinton & Charles Robertson · CC BY 2.0

FreshwaterComing soonUncommon

Hemiodus unimaculatus

Hemiodus unimaculatus is a tropical freshwater fish of the family Hemiodontidae. It swims in midwater, close to the bottom. It grows to 32.9 cm (standard length, tail fin excluded). The IUCN Red List rates it Least Concern. In the aquarium it is kept at 22–26 °C.

Size
32.9 cmstandard length, tail fin excluded
Temperature
22–26 °C
pH
5.5–7.5
Tank footprint
120 × 45 cm

In the aquarium

Temperature22–26 °C
pH5.5–7.5
Hardness1–20 °dGH
Drawn to scale in a 120 cm tank

In the wild

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

Conservation status

Classification

  1. OrderCharaciformes
  2. FamilyHemiodontidae
  3. GenusHemiodus
  4. SpeciesHemiodus unimaculatus

Quick answers

Hemiodus unimaculatus size: how big does it get?
It grows to 32.9 cm (standard length, tail fin excluded).
Hemiodus unimaculatus tank size: what is the minimum?
A tank with a footprint of at least 120 × 45 cm.
Hemiodus unimaculatus water parameters: what does it need?
Temperature 22–26 °C, pH 5.5–7.5, hardness 1–20 °dGH.
Hemiodus unimaculatus: 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.