200px|thumb|"Akita shottsuru" made from hatahata (left). The other bottle is ishiru made from sardine.Shottsuru (塩魚汁) is a pungent regional Japanese fish sauce similar to the Thai nam pla. The authentic version is made from the fish known the hatahata (Arctoscopus japonicus or sailfin sandfish), and its production is associated with the Akita region.