“John Deere” is an Algae Blenny aka Lawnmower Blenny.
He has a hilarious personality and just loves to skip
from rock to rock grazing all day long.
The camera used for that photo was a Nikon D100 Digital
SLR Body with a Nikon 24-85 Lens. ISO 200, Shutter Speed
1/125, Aperture f/8. "