Fin's Fish Guide
The Banded knifefish (Gymnotus anguillaris) is a freshwater fish of the family Gymnotidae that grows up to 30 cm.
Description
Gymnotus anguillaris is an eel-like freshwater knifefish of the family Gymnotidae in South America. The body is elongate and laterally compressed, lacking a dorsal fin, with a long anal fin that propels the fish by undulating movements. The species generates a weak electric field to orient itself in the dark, detect prey and communicate. It inhabits swamps and creeks with moderate flow and a bottom covered with vegetation or plant debris, hunting at night for aquatic invertebrates, insect larvae and crustaceans. The species is relatively aggressive and lives in small groups.
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. Weak electric organ; eel-like body without a dorsal fin, swims with the long anal fin.
Where does the Banded knifefish live?
The Banded knifefish lives in fresh water and is mostly found around mixed bottom. Freshwater of northern South America.
How big does the Banded knifefish get?
The Banded knifefish grows to a maximum of about 30 cm.
Is the Banded knifefish dangerous to humans?
No, the 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 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.