Vampire squid have eight webbed arms, tipped with suckers and lined with fleshy spines (called cirri), and two retractable sensory filaments. When threatened, it inverts so that the cirri point outwards in a menacing fashion.
The Vampire Squid From Hell, sciencefriday: Vampyroteuthis infernalis is neither a vampire, nor a squid, by is a gentle cephalopod, a steward of the ocena's depths, which gracefully foragaes on marine detritus, marine 'snow'. #Cephalopods #Vampire_Squid
Vampyroteuthis infernalis (vampire squid from hell) - Researchers discovered that vampire squids do not eat live prey, but bits of organic debris that sink to the ocean surface, where there is almost no oxygen but relatively few predators.