Fin's Fish Guide
The Guapore silver dollar (Metynnis guaporensis) is a freshwater fish of the family Serrasalmidae that grows up to 16 cm.
Description
The Guapore silver dollar is a South American characin (Serrasalmidae) from fresh water of the Madeira and Guapore basins in South America. The species grows to about 12 cm and has a deep, almost round, strongly laterally compressed, bright-silvery body, like a coin. Unlike its piranha relatives it is mainly plant-eating and grazes water plants and algae in schools; at need it also snaps insects. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Guapore silver dollar?
The Guapore silver dollar has a flattened, disc-shaped body and is mainly silver-grey.
Where does the Guapore silver dollar live?
The Guapore silver dollar lives in fresh water and is mostly found around open water. South America: Brazil
How big does the Guapore silver dollar get?
The Guapore silver dollar grows to a maximum of about 16 cm.
Is the Guapore silver dollar dangerous to humans?
No, the Guapore silver dollar 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.
Want the complete picture on the Guapore silver dollar?
Point your camera at the fish and Fin names the species in seconds. Free, and the Guapore silver dollar is one of 12,519 species in the app.
All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Metynnis
More from the family Serrasalmidae
Want the complete picture on the Guapore silver dollar?
Point your camera at the fish and Fin names the species in seconds. Free, and the Guapore silver dollar is one of 12,519 species in the app.