I have to spread this out over a few posts, wouldn’t want you to get RSI from scrolling down too much 
D800 (in Ikelight underwater housing), ISO100, 1/1000 sec @ f/4.0, Tamron 90mm, Ikelight DS161 strobe
D800 (in Ikelight underwater housing), ISO100, 1/1000 sec @ f/4.0, Tamron 90mm, Ikelight DS161 strobe
D800 (in Ikelight underwater housing), ISO100, 1/1000 sec @ f/5.6, Tamron 90mm, Ikelight DS161 strobe
D800 (in Ikelight underwater housing), ISO100, 1/1000 sec @ f/4.0, Tamron 90mm, Ikelight DS161 strobe
D800 (in Ikelight underwater housing), ISO100, 1/1000 sec @ f/4.0, Tamron 90mm, Ikelight DS161 strobe
@Rachel
Thanks
The first one (and the third one as well) is a nudibranch. It’s a snail/slug kind of animal.
These shots are breath-taking, jaw-dropping and …what was the first photo? Well I can stare at them in an hour and won’t get tired. These are really pretty. Nice job.