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Acestrorhamphidae
Tetra
Deuterodon luetkenii
Fish Reaching Nine Point Six Centimeters in South American Waters
Tetra is known around South America as a freshwater fish; It occurs in freshwater habitats, and the largest recorded length is 9.6 cm.
- Class
- Teleosts
- Order
- Characins
- Family
- Acestrorhamphidae
- Genus
- Deuterodon
- Maximum length
- 9.6 cm
- Water
- Freshwater
- Distribution
- South America: Coastal river drainages and Uruguay River basin in Rio Grande do Sul; Paraíba do Sul River in Rio de Janeiro; Paraguay River basin.

