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I had no idea the Rainbow Nudibranch, Dendronotus iris swims like a Spanish Dancer.

Here is one from Catalina Island for Dr Bill.

Rainbow Nudibranch 3 crop.jpg
 
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Encountered a swimming Dendronotis Iris this morning:



A Facebook friend asks why do they swim? Thought I'd read it was to avoid predators...what say you?
 
Their main predator is the Sunstar. Before the latest wasting disease there were plenty of them around. Also, I've seen them fly when divers' fins kick up the bottom.
 
I found one of those off Redondo Beach once. I figured I would get a better photo once I got my macro set up squared away. I haven't seen one since. :(
RedondoBarge31.jpg


RedondoBarge30.jpg
 
NC diving is known for big stuff, not nudis. So each time I dive I make a point of looking for them. I like quests. I have found a few but usually the same ones. Today I picked up a fourth type. It was at 60 ft on the Hyde. It was tiny. About a half inch. I apologize for the bad picture but my flash finally died thanks to corrosion from an earlier year flood.

Anybody know what it is?

nudihyde1.jpg
 
Looks like a flabellina
 
https://www.shearwater.com/products/perdix-ai/

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