We haven't done a photo gallery in a while. This set is shamelessly lifted from Kawika Chetron of Cold Water Images.

Blue rockfish (Sebastes mystinus) swimming below a canopy of giant kelp (Macrocystis sp.):

Invisible high five from a green sea turtle (Chelonia mydas):

Sneaky harbor seals (Phoca vitulina) doing a little pose:

They've got more than 100 gorgeous photos in their thumbnail gallery. Click.

References:
* Cold Water Images
* Thumbnail Index

Previously:
* Arnold Pouteau's View Of NYC Is Much Better Than Yours
* Icon Index Symbol: The Things We Can Do - Science Photography Awards Announced
* The Things We Can Do - 20 Years Of Technological Progress