Chromodoris? or Mexichromis sp from Okinawa

August 4, 2000
From: Kazuko Matsuda


Dear Bill

These animals were found at Sunabe in Okinawa, Japan. They are similar to an animal you call Chromodoris? sp. 12 which was found at Kerama Is. near Okinawa.

The animal in the upper photo is 15mm long, and there are small tubercles (I don't know this is a proper word) on its mantle. The middle one is smaller, 11mm long, and its mantle is smooth. The lower one is the biggest of the three, 17mm long, and it has small tubercles on its mantle like the first one. I'm afraid that you cannot see them , because the photo is out of focus.

Are they Chromodoris sp.? They also look like Mexichromis sp. though.

Data:
Upper photo: 3 June 2000, 15mm long, 20m depth
Middle photo: 15 July 2000, 11mm long, 15m depth
Lower photo: 21 May 2000, 17mm long, 13m depth

Sincerely,
Kazuko Matsuda

matsu@ii-okinawa.ne.jp

Matsuda, K., 2000 (Aug 4) Chromodoris? or Mexichromis sp from Okinawa. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/2811

Dear Kasuko,
I am sorry but I think a Chromodoris sp. 12 page must have stayed in the Forum, long after I decided it was a Mexichromis. The page has now disappeared because we are at present correcting little errors and lost files that we have found while moving the Forum to its new home at www.seaslugforum.net

Your photos are very interesting as they show both smooth and tuberculate forms of what is clearly the same animal. If you have a look at the photos from Mike Miller, Bob Bolland and Atsushi Ono you will see that there is a range from smooth unspotted animals to tuberculate purple-spotted animals.

At present I have decided to put them all together on the Mexichromis mariei page, though of course we would need to look at their anatomy to be sure.

Best wishes,
Bill Rudman.

Rudman, W.B., 2000 (Aug 4). Comment on Chromodoris? or Mexichromis sp from Okinawa by Kazuko Matsuda. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/2811

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