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Cynodontidae
Redtail Payara
Hydrolycus tatauaia
Fifty Nine Centimeters Cynodontid Fish from South American Waters
Redtail Payara is a freshwater fish of South America. The species occupies freshwater habitats. The largest recorded length is 59 cm.
- Class
- Teleosts
- Order
- Characins
- Family
- Cynodontidae
- Genus
- Hydrolycus
- Maximum length
- 59 cm
- Water
- Freshwater
- Distribution
- South America: Amazon and upper Orinoco River basins and rivers of Guyana.

