Fish Skull Fish Mask The Fish-Skull Fish-Mask is an ultra-lightweight Fish-Skull designed for tying weightless streamers that suspend in the water column. It has a realistic baitfish head profile that includes recessed eye sockets that secure and protect the fish eyes. Molded from a crystal clear, fluoro-epoxy material, the Fish-Mask takes on the colors of the body materials used on the fly. The product does not come with eyes as illustrated on the left - eyes are sold separately A #5 Fish-Mask uses 5 mm Living Eyes, a #8.5 Fish Mask uses 8.5 mm Living Eyes etc.