The Blackanal hemiodus (Hemiodus atranalis) is a freshwater fish of the family Hemiodontidae that grows up to 20 cm.
Description
The blackanal hemiodus is a South American characin (Hemiodontidae) from fresh water of the Amazon and Orinoco basins. The species grows to about 20 cm and has a slender, streamlined, silvery body with a dark blotch on the flank that runs into a stripe to the lower tail lobe. As a fast, schooling fish it swims in clear rivers and snaps at algae, detritus, insects and plant material. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Blackanal hemiodus?
The Blackanal hemiodus has a torpedo-shaped body and is mainly silver-grey.
Where does the Blackanal hemiodus live?
The Blackanal hemiodus lives in fresh water and is mostly found around open water.
How big does the Blackanal hemiodus get?
The Blackanal hemiodus grows to a maximum of about 20 cm.
Is the Blackanal hemiodus dangerous to humans?
No, the Blackanal hemiodus is harmless to humans.
Download Fin's Fish Guide
Identify fish in seconds, log your catches and dives. Join the TestFlight beta.
All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Hemiodus
More from the family Hemiodontidae
Download Fin's Fish Guide
Identify fish in seconds, log your catches and dives. Join the TestFlight beta.