Volvatella ayakii
Hamatani, 1972

Order: SACOGLOSSA
Superfamily: OXYNOOIDEA
Family: Volvatellidae

DISTRIBUTION

Known only from Japan.

PHOTO

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.

Reference:
• 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.

Authorship details
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

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  1. Re: Range extension for Volvatella ayakii
    From: Julie Marshall, September 22, 2005
  2. Range extension for Volvatella ayakii
    From: Julie Marshall, September 21, 2005
  3. RE: sacoglossan food
    From: Nishina Masayoshi, July 31, 2002
  4. Volvatella ayakii - dwarf males
    From: Nishina Masayoshi, July 21, 2002
  5. Re: Algae in Japan
    From: Nishina Masayoshi, March 28, 2002
  6. Re: Caulerpa ambigua - sacoglossan food
    From: Cynthia Trowbridge, March 27, 2002
  7. Caulerpa ambigua - sacoglossan food
    From: Nishina Masayoshi, March 23, 2002
  8. Is this Volvatella ayakii ?
    From: Nishina Masayoshi, March 19, 2002

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