What is a red eye tetra?

The red eye tetra is a common aquarium fish that grows close to 3 inches in length. The red eye tetra has a lifespan of 3 to 5 years in an aquarium habitat.

Red eye tetras have a silvery body with a gold tint to it and transparent fins. Red eye tetras are a very hardy fish in the aquarium setting, making them an appropriate choice for the beginner pet fish owner. These tetras can be found in clear water rivers of South America, especially in Peru, Bolivia, Paraguay and Brazil.