Paddlefish roe is distinguished for its firm, medium-sized orbs that range from light to dark gray. Technically, paddlefish (Polyodon spathula) is not a sturgeon, but it is a close relative to the sturgeon family; thus, its roe is sometimes classified as caviar.
The roe is usually richly-flavored and earthy, with a smooth and buttery finish. Paddlefish is native to the Mississippi river basin, which also includes rivers and lakes in over twenty states. The fish is still caught in the wild, but opting form farm-raised paddlefish roe is strongly encouraged, and it is recommended as a much better alternative.