Scuba dive on Yukon, February 2, 2013
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painted greenling Oxylebius pictus on strawberry anemones; these fish are immune to stinging cells of anemones

Large barnacle amidst strawberry anemones. Barnacles are crustaceans, related to crabs & lobsters, & use feathery appendages to draw plankton and detritus into their shell for consumption

juvenile California sheephead Semicossyphus pulcher, near strawberry anemones. These juveniles can be hard to photograph, constantly fleeing from the noisy bubbling diver

adult male California sheephead Semicossyphus pulcher, its teeth are used to crack open crabs, sea urchins, barnacles, snails, scallops, etc. This fish means business...

eye-to-eye with adult male California sheephead Semicossyphus pulcher, absolutely not afraid of a noisy bubbling diver. Note the reflection of my camera strobes in its eye.

well-camouflaged moss crab Loxorhynchus crispatus, with claw tips aside its mouth, with a red-purple eye above that uppermost claw