3a. scales on lateral line 28-35
3b. scales on lateral line 36-43
4a. Latoral line with 28-31 scales.
4a. Latoral line with 33-35 scales.
5a. Maxillary visible..........................................
5b. Maxillary hidden or nearly so when mouth is closed.......................6
6a. Pectorals much shorter than head; reaching 8th-9th lateral scale..................................M.ongeli
6b. Pectorals equal to head; reaching 12th-13th lateral scale.............................................M.longimamus