Fin's Fish Guide
The Biota tetra (Astyanax biotae) is a freshwater fish of the family Characidae that grows up to 5 cm.
Description
The Biota tetra is a small characin (Characidae) from fresh water of the upper Parana basin in Brazil. The species grows to about 5 cm and has a slender, silvery body, often with a dark longitudinal stripe or a spot on the tail base. As a schooling fish it swims in streams and rivers and eats small insects, larvae, plant material and detritus. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Biota tetra?
The Biota tetra has a torpedo-shaped body and is mainly silver-grey.
Where does the Biota tetra live?
The Biota tetra lives in fresh water and is mostly found around mixed bottom.
How big does the Biota tetra get?
The Biota tetra grows to a maximum of about 5 cm.
Is the Biota tetra dangerous to humans?
No, the Biota 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
Want the complete picture on the Biota tetra?
Point your camera at the fish and Fin names the species in seconds. Free, and the Biota tetra is one of 12,519 species in the app.
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 Biota tetra?
Point your camera at the fish and Fin names the species in seconds. Free, and the Biota tetra is one of 12,519 species in the app.