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Definition of red eye tetra
red eye tetra
Plural:red eye tetras
• noun
1
A small, resilient freshwater fish belonging to the characin family, native to the rivers of South America (including Paraguay, Bolivia, Peru, and Brazil), popular in the aquarium trade and characterized by a silver body, a black band at the base of the tail, and a bright red marking above the eye.
Example
"Because they are hardy and enjoy swimming in schools, red eye tetras are often recommended to beginner aquarists setting up their first community tank."
Synonyms
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Cite this Entry
Wordmom. (2026). Definition of Red eye tetra. In Wordmom Dictionary. Retrieved Nov 14, 2026, from https://wordmom.com/dictionary/red-eye-tetra