Send us proof for your hoodie 🦞📦😎 It will be found in our 30lb Select Party Pack! Crawfish can come in a variety of colors, including blue. The blue coloration in crawfish is due to a genetic mutation that causes an increase in the production of a blue pigment called astaxanthin. Astaxanthin is a carotenoid pigment that is found in many organisms, including algae, crustaceans, and fish. It is responsible for the reddish-orange color of salmon and trout flesh. In blue crawfish, the astaxanthin