Blue-Tipped Irish Moss?

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icechip

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Location
Maine
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On our dive today in Maine off Ash Point in the Muscle Ridge Channel, we encountered typical Irish Moss (Chondrus crispsus) but some of it had a brilliant blue tinge to their tips. Had not seen that before, especially in such profusion. Does anyone have info about that? Is it some sort of seasonal flowering/coloring phase or something? Anyway, it was pretty cool to see. My GoPro image really doesn't do it justice.

OHIrishMoss copy.jpg
 
I have heard of that. I think it mainly has to do with the lighting, i.e. any Irish moss could show it if the light is just right.
 
https://www.shearwater.com/products/teric/

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