
Banded Knifefish
Gymnotus carapo
The Banded Knifefish (Gymnotus carapo) is a subtropical freshwater fish of the family Gymnotidae. It swims in midwater, close to the bottom. It grows to 76 cm (total length). The IUCN Red List rates it Least Concern. In the aquarium it is kept at 22–28 °C.
- Size
- 76 cmtotal length
- Temperature
- 22–28 °C
- pH
- 6.0–7.5
- Tank footprint
- 180 × 60 cm
In the aquarium
Temperature22–28 °C
pH6.0–7.5
Hardness2–15 °dGH
In the wild
- Water type
- Freshwater
- Climate zone
- Subtropical
- Habitat
- Midwater, close to the bottom
- Aquarium trade
- Traded commercially
Conservation status
Classification
- OrderGymnotiformes
- FamilyGymnotidae
- GenusGymnotus
- SpeciesGymnotus carapo
Quick answers
- Banded Knifefish size: how big does it get?
- It grows to 76 cm (total length).
- Banded Knifefish tank size: what is the minimum?
- A tank with a footprint of at least 180 × 60 cm.
- Banded Knifefish water parameters: what does it need?
- Temperature 22–28 °C, pH 6.0–7.5, hardness 2–15 °dGH.
- Banded Knifefish: is it endangered?
- The IUCN Red List rates it Least Concern.
Related species
Sources
The figures on this page are compiled from the references below.

