Chum Salmon Caviar comes from the Chum Salmon subspecies. It is also known as Keta Salmon throughout the world. The Chum Caviar (also known as Keta Salmon Caviar) is a larger grain Salmon Roe compared to other salmon caviars. Chum Salmon is caught throughout the North Pacific Ocean, especially in Alaska. The season for Chum Salmon ranges from June to September. Chum Salmon Caviar is the most popular Red Salmon Caviar for use in Japanese Sushi restaurants.