Categories October Surprise 2024 Shirako – Milt or Sperm Sacs of Male Fish Delicacy in Japan Post author By Post date May 28, 2024 Shirako, a delicacy in Japan, refers to the milt or sperm sacs of male fish, celebrated for its creamy texture and delicate flavor. It embodies Japanās culinary philosophy of utilizing every part of the fish and respecting the gifts of the ocean.