Risbecia tryoni and food
June 10, 2002
From: Nishina Masayoshi
![](/images/m6874a.jpg)
![](/images/m6874b.jpg)
Dear Bill,
I attached photos of Risbecia tryoni. The owner of the diving operator Koutaro Tanaka tells me that the animal is there as long as the cream colored sponge is there.
Interestingly, the color of the sponge turned pinkish after R.ryoni has eaten eat the surface of the sponge.
Date: 20 April, 2002
Location: Hachijo Island Japan
Depth:13m
Length: 25mm
Photo by N.Chikako
Best Regards,
Nishina Masayoshi
nishina@wips.co.jp
Masayoshi, N., 2002 (Jun 10) Risbecia tryoni and food. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/6874Dear Nishina,
Thanks to you and Koutaro Tanaka for this interesting information and to Chikako for the nice photos. Sometimes digestive enzymes can cause tissue to chnage colour like this and sometimes just physical damage can cause sponges to change colour - a bit like fruit going brown when cut.
best wishes,
Bill Rudman
Related messages
-
Risbecia tryoni from Indonesia
From: Mónica Alonso, December 10, 2009 -
Feeding Risbecia tryoni from Vanuatu
From: Leanne and David Atkinson, October 29, 2009 -
Re: Juvenile Risbecia tryoni from Vanuatu
From: Leanne and David Atkinson, February 25, 2009 -
Re: Risbecia pulchella at rest
From: Gary Cobb, February 18, 2009 -
Re: Risbecia pulchella at rest
From: Marcel Tanke, February 17, 2009 -
Risbecia tryoni from the Philippines
From: Carrie Lo, June 30, 2008 -
Risbecia tryoni trailing
From: Mirjam Broos, December 11, 2007 -
Risbecia tryoni - what's in its mouth?
From: Elien Nijland, August 18, 2007 -
Chromodoris leopardus - just a nice photo
From: Ken Tucker, August 17, 2007 -
Risbecia tryoni - Trailing behaviour
From: Kerem Turker, July 26, 2007 -
Injured Risbecia tryoni
From: Clinton Bauder, July 23, 2007 -
Feeding Risbecia tryoni from Borneo
From: Richard Swann, May 16, 2007 -
Risbecia tryoni from the Philippines
From: Dr. Christine Meier, April 3, 2007 -
Strange Risbecia tryoni from Indonesia
From: Fred Vogt, March 8, 2007 -
Re: Risbecia tryoni - trailing observations:
From: Jack Connick, August 29, 2006 -
Trailing Risbecia tryoni from Malaysia
From: Sven-Urban Fjellner, August 26, 2006 -
Re: Risbecia tryoni - trailing observations:
From: Roberto Sozzani, August 26, 2006 -
Risbecia tryoni - trailing observations:
From: Hugues Flodrops, August 24, 2006 -
Risbecia tryoni from Cook Island, Tweed Heads, NSW
From: Ian Banks, June 12, 2006 -
Re: More on spots in Risbecia tryoni
From: Bruce Wilkie, May 11, 2006 -
Re: More on spots in Risbecia tryoni
From: Julie Marshall, May 8, 2006 -
Re: More on spots in Risbecia tryoni
From: Wayne Atkinson, May 5, 2006 -
Risbecia tryoni feeding
From: Bruce Wilkie, February 25, 2006 -
Re: Another pair of Risbecia tryoni?
From: Erwin Kodiat, February 8, 2006 -
Risbecia tryoni found on Sunshine Coast
From: Gary Cobb, November 13, 2003 -
Another pair of Risbecia tryoni?
From: Asther M. Lau, September 9, 2003 -
More on spots in Risbecia tryoni
From: Asther M. Lau, September 9, 2003 -
Risbecia tryoni from East Malaysia
From: Asther M. Lau, September 6, 2003 -
Risbecia tryoni trailing
From: Bruce Potter, July 7, 2003 -
Juvenile Risbecia tryoni from Indonesia?
From: Roberto Sozzani, May 26, 2003 -
Juvenile Risbecia tryoni from Malaysia
From: Asther M. Lau, May 9, 2003 -
Juvenile Risbecia tryoni from Vanuatu
From: Vinka Stenhouse, February 22, 2003 -
Risbecia tryoni from Indonesia
From: Kelvin Tan, February 12, 2003 -
Juvenile Risbecia tryoni from Lembeh Strait
From: Danny Van Belle, December 14, 2002 -
Risbecia tryoni with copepod
From: Marli Wakeling, October 4, 2002 -
Risbecia tryoni from Sulawesi
From: Helmut Schirmböck, July 12, 2002 -
Risbecia tryoni from Julian Rocks, nthn NSW
From: David Wachenfeld, July 1, 2002 -
Risbecia tryoni from Perhentian, Malaysia
From: Alice Lee, May 26, 2002 -
Risbecia tryoni from Malaysia
From: Barbara Phua, May 9, 2002 -
Risbecia tryoni mating
From: Mary Jane Adams, May 9, 2002 -
Risbecia tryoni from Christmas Island
From: Bill Rudman, April 28, 2002 -
Risbecia tryoni from Bali
From: Stuart Hutchison, April 4, 2002 -
Risbecia tryoni (2)
From: Stuart Hutchison, April 4, 2002 -
Juvenile Risbecia tryoni? from Japan
From: Rie Nakano, January 11, 2002 -
Risbecia tryoni from Papua New Guinea
From: Marli Wakeling, October 30, 2001 -
Risbecia tryoni from Exmouth, W.A.
From: Kirk Gibson, April 8, 2001 -
Risbecia tryoni 'tailgating'
From: Drew Taylor , March 29, 2001 -
Risbecia tryoni? from Byron Bay
From: David Harasti, February 26, 2001 -
Risbecia tryoni from Bora Bora
From: Daniel L. Geiger, December 24, 2000 -
A very small Risbecia tryoni
From: Atsushi Ono, September 13, 2000 -
Trailing Risbecia with commensal shrimp
From: M. J. Adams, September 11, 2000 -
Trailing in Risbecia tryoni
From: Scott Johnson, August 16, 1999 -
'Trailing' behaviour in Risbecia tryoni
From: Erwin Koehler, April 8, 1999 -
Risbecia tryoni from the Philippines
From: Erwin Koehler, January 22, 1999