Macrognathus pavo is a member of the spiny eels family Mastacembelidae
As their name suggests spiny eels have
Macrognathus pavo is the least spiny of the spiny eels with 4 to 6 dorsal spines only. Most spiny eel species have many more dorsal spines, up to 42.
Macrognathus pavo belongs to a group of eleven closely related species, the Macrognathus aculeatus group.
Macrognathus pavo differs from the other members of the group in
Britz, R., 2010.Species of the Macrognathus aculeatus group in Myanmar with remarks on M. caudiocellatus (Teleostei:Synbranchiformes: Mastacembelidae). Ichthyol. Explor.Freshwater 20: 295-308.
Find a more in-depth description of the appearance of Macrognathus pavo, including how it differs from other Asian mastacembelids and species of M. aculeatus.