Chromodoris colemani & C. striatella

October 4, 2001
From: Nishina Masayoshi

Dear Dr.Rudman,
I believe that the LOWER RIGHT and LOWER LEFT images are Chromodoris colemani. It is common at Hachijo Island, Japan. And I often see C. colemani and C. striatella nestling closely together as in the UPPER photo.

Looks like these animals have mutually good relations.

Best Regards,
Nishina Masayoshi

nishina@hpe15.wips.co.jp

Nishina, M., 2001 (Oct 4) Chromodoris colemani & C. striatella. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/5058

Dear Nishina,
Thanks for these interesting photos. I am pretty sure these animals are all Chromodoris colemani. When you often see similarly coloured animals associating closely together like this you can be fairly confident that they are the same species. Chromodoris striatella has many more black lines than these animals and the gills and rhinophores have a pattern of white spots.

What is interesting about your photos is that the lower two show a colour form similar to the animals I have been keeping on a separate page labelled Chromodoris cf. colemani because I wasn't sure of their identity. Your photos certainly lend support to the idea that they are a colour form of Chromodoris colemani.
Best wishes,
Bill Rudman

Rudman, W.B., 2001 (Oct 4). Comment on Chromodoris colemani & C. striatella by Nishina Masayoshi . [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/5058

Factsheet

Chromodoris colemani

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