Northwest Dive Club

Thanks for the info, Greg. I'll keep an eye out for them and see if I can notice any trends. Time of year, habitat, varying hues, and the like. If it's diet related, do you have a theory on what would force blue pigment? If it is a chromatophore, what is the purpose of it?

Thanks! It seems to have more of a pattern than Stout Shrimp that I've seen. It has white bands on its legs though they're not very noticeable. I have seen some Stout Shrimp trend toward blue, too, but it's uncommon I think, based on my limited experience with looking at shrimp. I'm mostly curious a...

There was at least one other nearby that had the same blue coloration.

Is this a Shortscale Eualid (Eualus suckleyi)? What could cause the amazing blue pigmentation?

This pic was taken at Three Tree Point last week on a deteriorating stump at about 30 fsw.