animals    backboned vertebrates    bottlenose dolphin    bunch of mucus    calli freedman    colleague sarah boggett    deep ocean    douglas fudge of chapman university    ewoldt’s colleague gaurav chaudhury    first glance    fossil show    hagfish    hagfish produce slime    hagfish slime    hand    intermediate form    italian researcher daniela silvia pace    lebanese quarry    liter of slime    little amount    loose end snags    main components    microscope image of a hagfish    move of your hand    mysterious ocean blobs    new fossil    new methods    own intestines    own tiny cell    pink-grey skin    primitive precursors    protein threads    proteins threads    randy ewoldt    simple anatomy    single continuous loop    single knot    slime    slime glands    slime thread    south korea    such work    taste buds    tetsuto miyashita    thread cells    threads    tubular animal    urbana-champaign    vincent zintzen    wondrous substances