Known only from Japan.
Hachijo Island, Japan, 8m, 3 March, 2002, Length: 8-10mm. Photos: Nishina Masayoshi [algae identified as Caulerpa okamurae by Cynthia Trowbridge.
Characterised by the white body, and constriction on the body whorl of the shell. Reported by Hamatani to live on Caulerpa brachypus.
• Hamatani, I. (1972) A new species of Volvatella Pease, 1860, found in the "Caulerpan Microfauna" in the province of Kii, Middle Japan. (Opisthobranchia: Sacoglossa). Publications of the Seto Marine Biological Laboratory, 21: 13-20, Figs 1-3, Pls 2,3.
Rudman, W.B., 2002 (March 17) Volvatella ayakii Hamatani, 1972. [In] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/factsheet/volvayak
Re: Range extension for Volvatella ayakii
From: Julie Marshall, September 22, 2005
Range extension for Volvatella ayakii
From: Julie Marshall, September 21, 2005
RE: sacoglossan food
From: Nishina Masayoshi, July 31, 2002
Volvatella ayakii - dwarf males
From: Nishina Masayoshi, July 21, 2002
Re: Algae in Japan
From: Nishina Masayoshi, March 28, 2002
Re: Caulerpa ambigua - sacoglossan food
From: Cynthia Trowbridge, March 27, 2002
Caulerpa ambigua - sacoglossan food
From: Nishina Masayoshi, March 23, 2002
Is this Volvatella ayakii ?
From: Nishina Masayoshi, March 19, 2002