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Banded Knifefish, photographed on a transparent background
Photo: Naturalist_on_the_River_Amazons_figure_21.png: Unknown authorUnknown author derivative work: Haplochromis (talk) · Public domain

FreshwaterComing soonUncommon

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
Drawn to scale in a 180 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. OrderGymnotiformes
  2. FamilyGymnotidae
  3. GenusGymnotus
  4. 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.

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Sources

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