Fin's Fish Guide
The Banded knifefish (Gymnotus cylindricus) is a freshwater fish of the family Gymnotidae that grows up to 24 cm.
Description
The banded knifefish is a knifefish (Gymnotidae) from Central America. The species has an elongate, round body with oblique dark bands and a long, continuous anal fin with which it swims forwards and backwards in undulating movements. It generates a weak electric field to navigate in turbid water and find prey. Nocturnally it searches for insect larvae, small crustaceans and small fishes. The species is harmless to humans.
Frequently asked questions
How do you recognise the Banded knifefish?
The Banded knifefish has an elongate, eel-like body, is mainly brown and shows a vertical stripes pattern. Generates a weak electric field; swims forwards and backwards with its long anal fin.
Where does the Banded knifefish live?
The Banded knifefish lives in fresh water and is mostly found around mixed bottom. Central America; rivers and streams.
How big does the Banded knifefish get?
The Banded knifefish grows to a maximum of about 24 cm. On average the species is around 14 cm.
Is the Banded knifefish dangerous to humans?
No, the Banded knifefish is harmless to humans. None required: this species is harmless to humans.
Is the Banded knifefish edible?
The Banded knifefish is rarely eaten.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
Safety
Status & sources
Same genus Gymnotus
More from the family Gymnotidae
Want the complete picture on the Banded knifefish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Banded knifefish is one of 12,519 species in the app.