AdvertisementRed Fish, Blue Fish: Where The Fish Flesh Rainbow Comes FromJune 17, 2014Alastair BlandfacebookEmailYellowfin tuna; Chinook salmon; lingcod; Pacific halibut. (Chang/iStockphoto; Debbi Smirnoff/iStockphoto; via TeachAGirlToFish; Andrea Pokrzywinski/Flickr)
