Closer look reveals how deep ocean squid uses 'leaky' optical fibers to disappear into the background

(Phys.org)—A pair of researchers with the University of Pennsylvania has discovered how a type of deep ocean squid is able to remain unseen by predators despite having clearly visible eyes. In their paper published in Journal of the Royal Society Interface, Amanda Holt and Alison Sweeney describe their study of glass squid and how it has evolved to hide itself from predators that lurk in any direction.