2 rarest underwater creatures ever filmed We expected a normal day on the water. What we got instead were two of the rarest creatures you could ever hope to see. The first one looked almost alien.

Octopus cyanea found in the both Indian and Pacific ocean. It grows to 16 cm in mantle length with arms to atleast 80 cm.© Amirkhans world/Shutterstock.com If forced to choose one descriptor for the ...