Fin's Fish Guide
The Sickle knifefish (Rhamphichthys drepanium) is a freshwater fish of the family Rhamphichthyidae that grows up to 45 cm.
Description
The sickle knifefish is a weakly electric knifefish (Rhamphichthyidae) from slow-flowing rivers and flooded forest of the Amazon basin in South America. The species grows to about 50 cm and has an elongate, laterally compressed body with a long, tubular snout and a long anal fin with which it swims forward and backward in waves. With a weak electric field it navigates and searches the bottom at night for insect larvae and worms. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Sickle knifefish?
The Sickle knifefish has an elongate, eel-like body and is mainly brown.
Where does the Sickle knifefish live?
The Sickle knifefish lives in fresh water and is mostly found around sand or mud bottom. South America: Brazil, Colombia, Venezuela
How big does the Sickle knifefish get?
The Sickle knifefish grows to a maximum of about 45 cm.
Is the Sickle knifefish dangerous to humans?
No, the Sickle 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.
Want the complete picture on the Sickle knifefish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Sickle knifefish is one of 12,519 species in the app.
All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Rhamphichthys
More from the family Rhamphichthyidae
Want the complete picture on the Sickle knifefish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Sickle knifefish is one of 12,519 species in the app.