Octopus wolfi

Octopus wolfi, the star-sucker pygmy octopus, is the smallest known octopus. It is found in fairly shallow waters in the western Pacific. It is characterised by a pattern of "papillate fringes" around the edge of the suckers near the arm tip.

Its length is less than 2.5 cm and it weighs less than 1 g. It is found in the western Pacific Ocean at depths between 3-30 m.