Mastacembelidae Directory References Discover New Seven Wonders of the World Roman Catholic Saints 7 Deadliest Weapons in History The World’s 5 Most Commonly Used Writing Systems Why Is the Mona Lisa So Famous? How Many Countries Are There in the World? All 119 References in “We Didn’t Start the Fire,” Explained Contents Mastacembelidae fish family Ask the Chatbot a Question Ask the Chatbot a Question Learn about this topic in these articles:spiny eels In spiny eel…those of the freshwater family Mastacembelidae (order Perciformes) and of the deep-sea family Notacanthidae (order Notacanthiformes). Members of both groups are elongated and eel-like but are not related to true eels.Read More