Fin's Fish Guide
The Forest banded knifefish (Gymnotus sylvius) is a freshwater fish of the family Gymnotidae that grows up to 42 cm.
Description
The Forest banded knifefish is a weakly electric knifefish (Gymnotidae) from fresh water of southeastern Brazil. The species grows to about 30 cm and has an elongate, laterally compressed, brown body with oblique dark bands and a long anal fin along the belly with which it swims smoothly forwards and backwards. As a nocturnal bottom-dweller it explores turbid water with a weak electric field; the current cannot be felt by humans. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Forest banded knifefish?
The Forest banded knifefish has an elongate, eel-like body, is mainly brown and shows a vertical stripes pattern.
Where does the Forest banded knifefish live?
The Forest banded knifefish lives in fresh water and is mostly found around sand or mud bottom. South America: Brazil
How big does the Forest banded knifefish get?
The Forest banded knifefish grows to a maximum of about 42 cm.
Is the Forest banded knifefish dangerous to humans?
No, the Forest banded knifefish is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Gymnotus
More from the family Gymnotidae
Want the complete picture on the Forest banded knifefish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Forest banded knifefish is one of 12,519 species in the app.