Re: Chromodoris annulata colour form from the Persian Gulf

May 4, 2010
From: Lawrence Neal


Concerning message #23600:

Dear Bill,

Referring to your reply to message #23600 ... here is a photo of the variant of Chromodoris annulata with a line joining the two purple rings from the Andaman Sea (very sorry to disprove the longstanding belief that this 'spectacled' form was restricted to the Persian Gulf). However, like the 'spotless' form also present in the Andaman Sea [see message #9203], this variant is much less common than the 'standard' form.

I also attached a shot of the 'standard' form feeding on the purple-black sponge, which confirms previous observations.

Locality: Condreco Wreck, Thai Muang, 15 metres, Phangnga, Thailand, Andaman Sea, Sponge-encrusted shipwreck. Photo 1: 22 April 2010, Length: 30 mm. Photo 2: 14 November 2009, Length = 50 mm. Photographer: Lawrence Neal.

Best regards,

Lawrence

lorenzo_n@yahoo.com

Neal, L., 2010 (May 4) Re: Chromodoris annulata colour form from the Persian Gulf. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/23605

Dear Lawrence,

Thanks for exploding the idea that the Persian Gulf was harbouring a strange colour form. It didn't really make biological sense. I had also forgotten Danny Van Belle's message [#9135] showing an animal from Thailand with nearly complete 'spectacles'.

Thanks also for another record of C. annulata feeding on Chelonaplysilla violacea - there is no doubt about the identity of the sponge - and the bite marks -, in your photo. I suspect the 'spectacled' animal is also sitting on a colony of this sponge as well, but despite enlarging your photo, I can see no sign of sponge fibres so I can't be sure.

Best wishes,
Bill Rudman

Rudman, W.B., 2010 (May 4). Comment on Re: Chromodoris annulata colour form from the Persian Gulf by Lawrence Neal. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/23605

Related messages

  1. Chromodoris annulata colour form from Persian Gulf
    From: Mahdi Moradi Och Tapeh, May 3, 2010
  2. Chromodoris annulata from Larak Island, Iran
    From: Mahdi Moradi Och Tapeh, May 3, 2010
  3. Re: Chromodoris annulata from Mediterranean coast of Israel
    From: Louis Tisakkiros, May 3, 2010
  4. Chromodoris annulata from Mediterranean coast of Israel
    From: Yoav Lavi, October 5, 2009
  5. Re: Chromodoris annulata from Gulf of Oman
    From: William Messruther, September 22, 2008
  6. Re: Chromodoris annulata from Red Sea & Persian Gulf
    From: William Messruther, September 18, 2008
  7. Spotless Chromodoris annulata from Thailand
    From: Hans van Rijn, November 27, 2007
  8. Chromodoris annulata from the Red Sea
    From: Kamal El Tawil, October 4, 2007
  9. Chromodoris annulata from the Egyptian Red Sea
    From: Eddy Mannak, August 4, 2007
  10. Re: Chromodoris annulata from Thailand
    From: Asther Lau, November 28, 2006
  11. Damaged? Chromodoris annulata
    From: Kamal El Tawil, June 21, 2006
  12. Chromodoris annulata ? from Bahrain
    From: Michael Arora, December 16, 2005
  13. Juvenile Chromodoris annulata ?
    From: Oren Lederman, October 20, 2005
  14. Re: Chromodoris annulata - colour markings
    From: Iain Macdonald, January 27, 2005
  15. Chromodoris annulata from the Egyptian Red Sea
    From: Michael Mrutzel, January 3, 2005
  16. Re: Chromodoris annulata - colour markings
    From: Iain Andrew Macdonald, December 31, 2004
  17. Chromodoris annulata - colour markings
    From: Dr. Iain Andrew Macdonald, December 30, 2004
  18. Chromodoris annulata - population, natural history
    From: Kathrin L├╝ttmann, June 2, 2003
  19. Chromodoris annulata from the Red Sea
    From: Ilan Ben Tov, May 9, 2003
  20. Chromodoris annulata from Burma (Myanmar)
    From: Orhan Aytur, April 1, 2003
  21. What does Chromodoris annulata eat?
    From: Gabriella Titone, March 28, 2003
  22. Chromodoris annulata & egg ribbon from Burma
    From: Mary Jane Adams, March 27, 2003
  23. Spotless Chromodoris annulata from Myanmar
    From: Mary Jane Adams, March 27, 2003
  24. Re: Magnificent spotless Chromodoris annulata
    From: Hans Tibboel, February 24, 2003
  25. Magnificent spotless Chromodoris annulata
    From: Danny Van Belle, February 14, 2003
  26. Special Chromodoris annulata
    From: Danny Van Belle, February 11, 2003
  27. Chromodoris annulata from Thailand
    From: Danny Van Belle, February 6, 2003
  28. Chromodoris annulata from Abu Dhabi
    From: Peter Hardy , July 17, 2002
  29. Re: Chromodoris annulata from United Arab Emirates
    From: Melinda Barry, June 7, 2002
  30. Chromodoris annulata from United Arab Emirates
    From: Melinda Barry, June 6, 2002
  31. Chromodoris annulata from the Red Sea
    From: Marina Poddubetskaia , April 18, 2002
  32. Chromodoris annulata from Abu Dhabi
    From: Peter Hardy, May 15, 2001
  33. Chromodoris annulata - colour variation
    From: Gordon T. Smith, January 25, 2001
  34. Chromodoris annulata from Red Sea & Persian Gulf
    From: Gordon T. Smith, November 1, 2000
  35. Can nudibranchs breath air?
    From: Valda Fraser, September 2, 2000
  36. Risbecia imperialis & Chromodoris annulata
    From: Bill Rudman, April 11, 1999

Show factsheet and all related messages