Ah, inspiration struck today while I was writing. It only took me about two hours for this critter. I uploaded him to DA, too, if you want a bit of trivia or a bigger picture. Here’s the link:
LINK
He’s not your regular hippocampus, but I think he looks more naturalistic than renditions with actual horse heads. After all, these things may be mammals but they do live in the water. I think they should follow some general marine creature rules. What do you think?