Mastacembelidae

Lesser spiny eel

Macrognathus aculeatus

Fish Reaching Thirty Eight Centimeters in Asian Waters

• Tropical
• Regional distribution
• South Asia
• Southeast Asia
• Anguilliform
• Compressed cross-section
• Medium
• Tropical fish

The lesser spiny eel, Macrognathus aculeatus, is a Southeast Asian tropical freshwater fish belonging to the family Mastacembelidae. They are uncommonly found in aquaria.