More ideas from Lenka
Blue octopus

Octopus Eye - However underwater light has a polarized component which some octopuses can detect. When this light travels through the body of a transparent animal its polarization will be changed and the octopus can see that and capture the prey.

Sea of Starz

Starfish by Leon Heyns Underwater shot of a starfish. Shows the underside as well. Due to the depth, color is different underwater and the under-side of the starfish appear more green than the original yellow and red on the top-side.