“It is complicated. Come.” Elizabeth grabbed Lydia’s elbow and dragged her to Shin-dee-a’s side. They walked beside her in the odd glow of her … what did one call that? A bobble?
Almost like, the tiny glowing bacteria called Photobacterium, that take up residence in the anglerfish's esca (the “lure”), a highly variable structure at the end of its “fishing rod.” In exchange, the bacteria gains protection and nutrients as the fish swims along.