American Hackleback Caviar is a delicious sturgeon roe prized for its sweet, nutty flavor and relatively large size. One of several caviars the US has been exporting to Europe and Asia for the past few centuries, Hackleback, also referred to as American Sturgeon, is akin to its European counterparts and often used by some of the greatest chefs in the world for its uncanny similarities. Caught in the estuaries of the Mississippi, Hackleback, also known as Shovelnose, are similar to their counterparts from the Caspian Sea, yet are sustainable and domestic. Black Diamond Caviar's Hackleback Caviar has a jet-black color with a firm texture and savory taste.