(Family and Genus): Gular plates absent. No fin spines. Lateral line present. Anal fin origin well behind last dorsal ray. (Species): Last ray of dorsal and anal fins not prolonged. Head region naked. Spot and band absent on head. Margin of nasal pore not black.
Distribution:
This species known from all warm seas in the world.
Remarks:
This species differs from A. nemoptera by the lack of spot and band on head. (Uyeno and Aizawa)