September 19, 2007
From: Yuji Fujie
Concerning message #20429:
Thank you for your message. Here is a higher resolution image. Can you confirm the sponge with this image ?
Locality: Grotto, 15m, Saipan, Northern Mariana Islands, Pacific Ocean, 12 July 2007, on the rock at inside pool. Length: 10 mm. Photographer: Yuji Fujie.
Yuji Fujie, 2007 (Sep 19) Re: Mating Thorunna furtiva from nthn Mariana Islands. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/20749
Thanks for higher resolution image. Although the sponge looks as though it could be a species of Dysidea, unfortunately I can't be 100% sure. As I am sure you are aware, one of the problems photographing small animals is that you lose any depth of focus, so, as in this photo, the background is often out of focus.
Thanks again for your help. Perhaps if you find a group of Thorunna again you might like to take a photo focussing on the sponge. It would be good to get a positive identification of the food of this species
Re: Thorunna furtiva from nthn Mariana Islands
From: Yuji Fujie, March 9, 2010
Mating Thorunna furtiva from nthn Mariana Islands
From: Yuji Fujie, September 7, 2007
Thorunna furtiva from Malaysia
From: Lawrence D. Seigle, September 1, 2007
Thorunna furtiva from the Mariana Islands
From: Takao Urasawa, December 5, 2005
Thorunna furtiva from Nthn Mariana Ids
From: Kenji Kobayashi, December 19, 2003
Thorunna furtiva from Okinawa
From: Bob Bolland, June 25, 2000