Fin's Fish Guide
The Shortfin tetra (Astyanax brachypterygium) is a freshwater fish of the family Characidae that grows up to 6 cm.
Description
The shortfin tetra is a small characin (Characidae) from clear headwater streams of southern Brazil in South America. The species grows to about 6 cm and has a slender, silvery body with a shiny lateral stripe and a dark tail-base spot. It lives in schools in flowing water and eats small insects, larvae, algae and plant material. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Shortfin tetra?
The Shortfin tetra has a torpedo-shaped body and is mainly silver-grey.
Where does the Shortfin tetra live?
The Shortfin tetra lives in fresh water and is mostly found around mixed bottom. South America: Brazil
How big does the Shortfin tetra get?
The Shortfin tetra grows to a maximum of about 6 cm.
Is the Shortfin tetra dangerous to humans?
No, the Shortfin tetra 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.
More photos
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Astyanax
More from the family Characidae
Want the complete picture on the Shortfin tetra?
Point your camera at the fish and Fin names the species in seconds. Free, and the Shortfin tetra is one of 12,519 species in the app.