Placida cremoniana from Japan

August 28, 2001
From: Nishina Masayoshi

Dear Dr.Rudman,

Here are photos of a beautiful animal. In all the photos of Placida cremoniana that I have seen, the body and and cerata are yellow or light brown.

But this animal is much redder or orange. With the naked eye, it looked red. It had crawled on the stone top like a photos.

Date: 12 Aug 2001
Location: Echizen beach, Japan
Length: 5mm
Frequency in Echizen: rare

Best Regards,
Nishina Masayoshi

Thanks Nishina,
Yes this is Placida cremoniana. Your animal is a brighter orange than I have usually seen and the white mark on the rhinophores is more obvious, but I am sure it is within the normal range of colour variation of the species.
Best wishes,
Bill Rudman

Rudman, W.B., 2001 (Aug 28). Comment on Placida cremoniana from Japan by Nishina Masayoshi. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from


Placida cremoniana

Related messages

  1. Re: Algal food of Placida cremoniana
    From: Cynthia Trowbridge, March 29, 2010
  2. Placida cremoniana from the Bay of Biscay
    From: Mikel Cortes, April 1, 2008
  3. Placida cremoniana from Wollongong, NSW, Australia
    From: Sascha Schulz, September 16, 2005
  4. Algal food of Placida cremoniana
    From: Cynthia Trowbridge, November 18, 2003
  5. Placida cremoniana from Cerbere
    From: Marina Poddubetskaia, August 4, 2003
  6. Is this a species of Stiliger?
    From: Akos Lumnitzer, March 15, 2002
  7. Placida cremoniana from Mediterranean
    From: Thierry Thibaut, May 12, 2001
  8. Placida cremoniana from New South Wales
    From: Bill Rudman, May 12, 2001
  9. Re: Placida cremoniana
    From: Kathe Jensen, May 12, 2001
  10. Stiliger cremoniana from SE Sulawesi
    From: Lindsay Warren, February 27, 2000

Show factsheet and all related messages