October 18, 1999
From: Bill Rudman
NOTE: This Fact Sheet is no longer current. It was originally posted on 18 October 1999 and replaced on 27 April 2007. It is retained here for archival purposes only.
(van Hasselt, 1824)
Found throughout the tropical and subtropical Indo-West Pacific.
UPPER RIGHT: Two views of typical 'sinuata colour form. Solitary Islands, northern New South Wales, Australia, April 1987.
LOWER PHOTOS: Two 'flavicostata/magnifica' colour forms - LEFT: Solitary Islands, northern NSW, May 1987; - RIGHT: Coffs Harbour region, northern New South Wales, November 1990. PHOTOS: Bill Rudman
Formerly placed in the genus Miamira, Valdes & Gosliner (1999) have recently proposed that these animals are members of the chromodorid genus Ceratosoma. The number of species in the 'Miamira-group' is still not clear. Some authors, such as Baba & Hamatani (1974), consider there is a single species which ranges from the green 'sinuata' form to the purplish 'flavicostata form. Others consider there are sufficient distinctions in external shape and colour, and radular morphology, to distinguish two or three species. While the extremes are very clear, there are many intermediate forms which suggest perhaps a continuum. At present I have placed them all as a single species, but this is through lack of knowledge rather than through some great insight.
• Valdes, A. & Gosliner, T. (1999) Reassessment of the systematic status of Miamira Bergh, 1875 and Orodoris Bergh, 1875 (Nudibranchia; Chromodorididae) in light of phylogenetic analysis. Journal of Molluscan Studies, 65:33-45.
Rudman, W.B., 1999 (Oct 18) Ceratosoma sinuata Fact Sheet. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/19853
Another misleading aquarium sale
From: Kevin Bott, November 25, 2009
Ceratosoma sinuatum feeding?
From: Mandi Woods, November 16, 2009
Ceratosoma sinuata from Reunion Is.
From: Sully Bachel, February 5, 2009
Ceratosoma sinuatum from East Timor
From: Brian Francisco, January 8, 2009
Ceratosoma sinuatum from the Philippines
From: Carlos Munda, April 7, 2008
Name changes in Ceratosoma
From: Bill Rudman, July 5, 2007
Ceratosoma sinuatum from southern Queensland, Australia
From: Gary Cobb, July 5, 2007
Ceratosoma sinuata from Komodo area
From: Marli Wakeling, June 1, 2007
Re: Ceratosoma sinuata from Clovelly, Sydney
From: Salvador C Tan, May 1, 2007
Ceratosoma sinuata from Sulawesi
From: Mary Jane Adams , December 21, 2002
Ceratosoma sinuata from Hawaii
From: Andy Woerner, May 27, 2001
Avoidance behavior in Ceratosoma sinuata
From: Mary Jane Adams, January 27, 2001
Ceratosoma sinuata from Clovelly, Sydney
From: Donata P. & Akos L., October 24, 2000
Re: Ceratosoma sinuata from the Solomon Ids
From: Mary Jane Adams, October 24, 2000
Another Ceratosoma sinuata from Solomons
From: Buce Potter, October 24, 2000
Three versions of Ceratosoma sinuata
From: Scott Johnson, October 23, 2000
Ceratosoma sinuata from the Solomon Ids
From: Bruce Potter, October 19, 2000
Ceratosoma sinuata? from Thailand
From: Narongpon Sittithaweepat, May 11, 2000
Ceratosoma sinuata from Okinawa, Japan
From: Kazuko Matsuda, February 13, 2000
Two juveniles of 'Miamira-group' from Okinawa
From: Kazuko Matsuda, February 2, 2000
Re: Ceratosoma (=Miamira) sinuata from Sydney
From: Erik Schloegl, October 23, 1999
Ceratosoma (=Miamira) sinuata from Maldives
From: E. Koehler, October 19, 1999