More on Sea Lemons

October 14, 2000
From: Clinton Bauder

Hi Bill,

I've been reading with interest the discussions on Archidoris montereyensis vs Anisodoris nobilis and I've decided that I couldn't resist muddying the waters further by adding another species: Archidoris odhneri. I occasionally see white specimens of Archidoris montereyensis (UPPER RIGHT). Archidoris odhneri, a large white dorid, is also a commonly seen resident of California waters (LOWER LEFT)

Now since A. odhneri doesn't have spots it seems straightforward enough right? Well I just returned from a trip to British Columbia, Canada, where I saw the beast in my LOWER RIGHT photo. It appears to have a single small black spot in the center of it's back. The color is just slightly yellow. I'm calling it Archidoris montereyensis for now but I could just as easily be convinced that it is A. odhneri which is usually white but is sometimes a very pale yellow.

Copies of the photos are on my website at: http://www.metridium.com/monterey/nudibranchs/archidoris.html
http://www.metridium.com/monterey/nudibranchs/odhneri.html
http://www.metridium.com/bcgallery/archidoris.html

FYI the rest of the British Columbia gallery isn't up and running just yet. With luck it will be there by early next week. For those of you that haven't been diving there let me just say its incredible and among the best diving I've ever done!

Clinton

gecko1@apple.com

Bauder, C., 2000 (Oct 14) More on Sea Lemons. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/3166

Dear Clinton,
It's fascinating how the sea lemon story has grown from Billy's request for a photo. Hopefully, someone will recognise your animal from British Columbia.
Best wishes,
Bill Rudman.

Note added 22 Oct, 2000: See Sandra Millen's message comparing this group of species and identifying Clinton's top right photo as Geitodoris heathi and bottom right photo as Anisodoris lentiginosa.

Rudman, W.B., 2000 (Oct 14). Comment on More on Sea Lemons by Clinton Bauder. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/3166

Factsheet

Archidoris montereyensis

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