Dendrodoris arborescens from Japan

August 23, 2001
From: Jun Imamoto


Dear Bill
I went to Echizen (Tsuruga Bay, Japan) from August 11, 2001 to August 12, 2001.
I filmed a Dendrodoris arborescens and have attached two of my photo.

They were found at 2M depth and were all around 10mm long. Water temperature is 26-28C degrees. Those are common sea slugs there, but I am happy if those are helpful for you.

Best Regards,
Jun Imamoto

imamoto@wips.co.jp

Imamoto, J., 2001 (Aug 23) Dendrodoris arborescens from Japan. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/5098

Dear Jun,
Thanks for these photos. It is very useful to see all the Japanese colour forms of some of these widespread species. This animal has often been identified in Japan and China as Dendrodoris arborescens Collingwood, 1881, but that species is now considered a colour form of the widespread species Dendrodoris fumata. I have included many of the colour forms at the top of this page. As you will see from my comments about this species and Dendrodoris nigra, these two species are very variable in colour and both have very similar colour forms. One major difference is that D. fumata has 5 large bushy gills and D. nigra has many small gills which are arranged in a tight circle.
Best wishes,
Bill Rudman

Rudman, W.B., 2001 (Aug 23). Comment on Dendrodoris arborescens from Japan by Jun Imamoto. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/5098

Factsheet

Dendrodoris fumata

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