The Glass tetra (Charax stenopterus) is a freshwater fish of the family Characidae that grows up to 9 cm.
Description
The glass tetra is a characin (Characidae) from fresh water of the La Plata basin in southern South America. The species grows to about 9 cm and has a deep, laterally compressed, partly translucent body with a forward-set mouth and a spot near the tail base; it often swims with its head tilted slightly down. As a small ambush predator it hunts small invertebrates and small fish among water plants. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Glass tetra?
The Glass tetra has a torpedo-shaped body and is mainly silver-grey.
Where does the Glass tetra live?
The Glass tetra lives in fresh water and is mostly found around mixed bottom. South America: Argentina, Brazil, Paraguay, Uruguay
How big does the Glass tetra get?
The Glass tetra grows to a maximum of about 9 cm.
Is the Glass tetra dangerous to humans?
No, the Glass 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 Glass tetra?
Point your camera at the fish and Fin names the species in seconds. Free, and the Glass 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 Charax
More from the family Characidae

Want the complete picture on the Glass tetra?
Point your camera at the fish and Fin names the species in seconds. Free, and the Glass tetra is one of 12,519 species in the app.