Here’s a drawing from my sketchbook that I forgot to scan.

Creepy undersea pals! The zombie thing in the coral is a drowned sailor who became one with the reef. The monstrous lobster cleans and maintains the reef. They’re all good friends.

Now available on redbubble as shirts!
Transparent: http://www.redbubble.com/people/vanweasel/works/11984809-zombie-reef-transparent?ref=recent-owner
Solid: http://www.redbubble.com/people/vanweasel/works/11984821-zombie-reef-solid