Seaweed Blenny in a bottle

The Seaweed Blenny's hole in the ground is his castle, or in this case an algae-covered glass bottle. The Seaweed Blenny is tiny, averaging 2 inches long. They are highly variable in color and markings but the most distinct features include blue lines running down the snout, over the lip and eyes and large cirri (appendages) above the eyes, with usually three or four branches.
 
Scientific Name:  Parablennius marmoreus