Fin's Fish Guide
The Tamandua knifefish (Orthosternarchus tamandua) is a freshwater fish of the family Apteronotidae that grows up to 44 cm.
Description
The tamandua knifefish is a ghost knifefish (Apteronotidae) from deep, turbid river channels of the Amazon basin in South America. The species grows to about 44 cm and has a pale, elongate body with a remarkably long, tubular snout, strongly reduced eyes and a long anal fin. It generates a weak electric field to navigate in complete darkness and probe the sediment with its long snout for insect larvae and small invertebrates. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Tamandua knifefish?
The Tamandua knifefish has an elongate, eel-like body and is mainly white.
Where does the Tamandua knifefish live?
The Tamandua knifefish lives in fresh water and is mostly found around mixed bottom. South America: Brazil
How big does the Tamandua knifefish get?
The Tamandua knifefish grows to a maximum of about 44 cm.
Is the Tamandua knifefish dangerous to humans?
No, the Tamandua 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.
More photos
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
More from the family Apteronotidae
Want the complete picture on the Tamandua knifefish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Tamandua knifefish is one of 12,519 species in the app.