Fin's Fish Guide
The Knodus heteresthes is a freshwater fish of the family Characidae that grows up to 5 cm.
Description
Knodus heteresthes is a small characin (Characidae) from the Tapajos basin in the Brazilian Amazon. The species reaches only about 5 cm and has a slender, silvery body. It occurs in creeks in the upper reaches of rivers, where it lives in schools in the open water layer. As an omnivore it feeds on insects, small zooplankton and plant material drifting in the water column or at the surface. Owing to its small size the species has no fishery value, but it is of scientific interest for understanding the species-rich characins of the Amazon region.
Frequently asked questions
How do you recognise the Knodus heteresthes?
The Knodus heteresthes has an elongate, eel-like body, is mainly silver-grey and shows a plain pattern. Small shoaling characin of upper-reach streams.
Where does the Knodus heteresthes live?
The Knodus heteresthes lives in fresh water and is mostly found around mixed bottom. South America, in the Tapajos basin (Brazil).
How big does the Knodus heteresthes get?
The Knodus heteresthes grows to a maximum of about 5 cm. On average the species is around 4 cm.
Is the Knodus heteresthes dangerous to humans?
No, the Knodus heteresthes is harmless to humans. None required: this species is harmless to humans.
Is the Knodus heteresthes edible?
The Knodus heteresthes is not usually eaten.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Knodus
More from the family Characidae
Want the complete picture on the Knodus heteresthes?
Point your camera at the fish and Fin names the species in seconds. Free, and the Knodus heteresthes is one of 12,519 species in the app.