Eelgrass isopods are shy creatures, usually hidden in the shadows, sometimes so firmly attached to the underside of an eelgrass blade as it waves in the current, that they become effectively invisible. This one broke precedent and climbed to the surface to say, "Hello!"
"And look at my cute cap!"
As far as I can tell, he's wearing a patch of bryozoans, rakishly tilted over one eye. Cool, eh?