Sternopygidae

Longtail knifefish

Sternopygus macrurus

One Hundred Forty One Centimeters Sternopygid Fish

• Tropical
• Southern Hemisphere
• Regional distribution
• Freshwater fish
• Atlantic Ocean
• South America
• Elongated
• Large
• Tropical fish

Longtail knifefish is a freshwater fish of South America. The species occupies freshwater habitats. The largest recorded length is 141 cm.