Fin's Fish Guide
The Glass knifefish (Rhabdolichops eastwardi) is a freshwater fish of the family Sternopygidae that grows up to 28 cm.
Description
The glass knifefish is a weakly electric knifefish from fresh water of the Amazon basin of South America. The species grows to about 28 cm and has an elongate, partly translucent body with a long, continuous anal fin with which it swims forward and backward in undulating fashion. With a weak electric organ it generates an electric field to navigate and communicate in turbid water. It lives in deeper, flowing river water and feeds on small zooplankton and insect larvae. The fish is harmless to humans. The IUCN has not evaluated the species.
Frequently asked questions
How do you recognise the Glass knifefish?
The Glass knifefish has an elongate, eel-like body, is mainly silver-grey and shows a plain pattern. Long anal fin and a weak electric organ; translucent knifefish
Where does the Glass knifefish live?
The Glass knifefish lives in fresh water and is mostly found around mixed bottom. Amazon basin
How big does the Glass knifefish get?
The Glass knifefish grows to a maximum of about 28 cm.
Is the Glass knifefish dangerous to humans?
No, the Glass 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.
Is the Glass knifefish edible?
The Glass knifefish is not usually eaten.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
More from the family Sternopygidae
Want the complete picture on the Glass knifefish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Glass knifefish is one of 12,519 species in the app.