Crenuchidae

Melanocharacidium rex

Melanocharacidium rex

Nine Point Nine Centimeters Crenuchid Fish of South American Waters

• Black
• Tropical
• Upper river
• Southern Hemisphere
• Regional distribution
• Freshwater fish
• South America
• Small
• Tropical fish

Melanocharacidium rex is a freshwater fish of South America. The species occupies freshwater habitats. The largest recorded length is 9.9 cm.