Fin's Fish Guide
The Tetra (Astyanax abramis) is a freshwater fish of the family Characidae that grows up to 14 cm.
Description
The tetra is a characin (Characidae) from South America. The species has a fairly deep, laterally compressed, silvery body with a dark spot on the tail base. It lives in schools in quiet parts of rivers, lakes and floodplains. As an omnivore it feeds on insects, small zooplankton, algae, seeds and plant matter. It is a prey fish for larger fishes. The species is harmless to humans.
Frequently asked questions
How do you recognise the Tetra?
The Tetra has a flattened, disc-shaped body, is mainly silver-grey and shows a plain pattern. Fairly deep silvery body with a dark caudal blotch; schooling small characin, prey fish.
Where does the Tetra live?
The Tetra lives in fresh water and is mostly found around mixed bottom. South America; calm parts of rivers, lakes and floodplains.
How big does the Tetra get?
The Tetra grows to a maximum of about 14 cm.
Is the Tetra dangerous to humans?
No, the Tetra is harmless to humans. None required: this species is harmless to humans.
Is the Tetra edible?
The Tetra is rarely eaten.
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 Tetra?
Point your camera at the fish and Fin names the species in seconds. Free, and the Tetra is one of 12,519 species in the app.