The Eigenmannia macrops is a freshwater fish of the family Sternopygidae that grows up to 25 cm.
Description
The bigeye glass knifefish is a weakly electric knifefish of the family Sternopygidae from northern South America. The species reaches about 25 cm and has an elongate, laterally compressed, semi-transparent body without a dorsal fin, with large eyes and a long anal fin with which it swims smoothly forwards and backwards by undulating movements. It generates a weak electric field to orient itself in the dark, detect prey and communicate. It is active at night and hunts insect larvae and small invertebrates. By day it shelters among vegetation or plant debris.
Frequently asked questions
How do you recognise the Eigenmannia macrops?
The Eigenmannia macrops has an elongate, eel-like body, is mainly silver-grey and shows a plain pattern.
Where does the Eigenmannia macrops live?
The Eigenmannia macrops lives in fresh water and is mostly found around mixed bottom.
How big does the Eigenmannia macrops get?
The Eigenmannia macrops grows to a maximum of about 25 cm. On average the species is around 16 cm.
Is the Eigenmannia macrops dangerous to humans?
No, the Eigenmannia macrops is harmless to humans.
Is the Eigenmannia macrops edible?
The Eigenmannia macrops is not usually eaten.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
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Status & sources
Same genus Eigenmannia
More from the family Sternopygidae
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