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Rivulidae
Opal pearlfish
Leptolebias opalescens
Four Centimeters Rivulid Fish from the Brazilian Coast
Opal pearlfish is known around South America as a freshwater fish; It occurs in freshwater habitats, and records give a maximum length of 4 cm.
- Class
- Teleosts
- Family
- Rivulidae
- Genus
- Leptolebias
- Maximum length
- 4 cm
- Water
- Freshwater
- Distribution
- South America: Atlantic coastal river basin in Brazil.
- Conservation status
- CRCritically Endangered

