The deep sea Anglerfish has a light on its head that comes from bioluminescent bacteria. The light is used to attract prey and mates in the dark ocean depths. How it works Toby Hogan Texas Fishing Lure Pioneer Secrets to Finding Florida's Famed Gator Trout Florida Sportsman Imagine living miles deep in the pitch black abyss, where starvation and isolation are your only companions. The Tripod Fish doesn't swim it stands perfectly still in the mud, feeling the dark water