A hot pink starfish found on a SW Florida beach. Apparently, starfish can be the most amazingly intense colours but they fade quite rapidly when they get washed up. This one can't have been out of the sea for long then!
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.
Red Sea The louder the fish and anemone, the more I'm attracted to them. Fish have been in my drawing (& coloring) repertoire since I was about Which might explain why I like the bright colors found in tropical seas, very beautiful colours.
Orange Sea Pen (Ptilosarcus gurneyi) found in temperate waters of the northeastern Pacific. Each Pen is a colony of polyps -- the primary polyp loses its tentacles and becomes the stalk, with a bulb as its base.