The roe of the chum salmon is a popular source for the red variety of this
But it still has enough firmness and oil content to lend itself to a wide variety of ... 
Spawning Chum have an olive-green to brown back with vertical red-purple ... 
Roe, Ikura, Wild  Drift Gillnet, Purse Seine, Troll, US  Alsaka, Green-icon_20.