Penaeus (Marsupenaeus) japonicus (Bate, 1889)
Adrostral sulcus narrower than post rostral carina
Telson armed with 3 pairs of spinules
Last abdominal segment colour band not reaching the ventral margin
Accessory crest on the blade
Distinctive characters : Carapace smooth. Rostrum armed with 9 to 11 teeth on dorsal, and a single teeth on ventral margin, with an accessory crest on the blade.
Colour : Pale yellow to reddish brown