Enoploteuthis cookii Owen, 1881 The Dana Octopus Squid ( Taningia danae ) is a species of squid in the family Octopoteuthidae . It reaches a mantle length (ML) of 170 cm, and is probably the fifth largest squid after the Colossal Squid ( Mesonychoteuthis hamiltoni ), giant squid ( Architeuthis sp.),