Rattail 4 https://s3.us-west-2.amazonaws.com/media.ooica.net/wp-content/uploads/2019/01/10223138/placeholder20190110023138.m4v Loading the player... Large Rattail swimming over lava flows. Video credit: NSF-OOI/UW/CSSF Tags: Animal, Axial, Axial Biology, Biology, Fish, Seafloor