Thuridilla splendens from Japan

September 12, 2001
From: Yasuhiro Shirai

Dear Bill,
Thank you for your advice on my messages every time. I think Jun Imamoto's animal in yesterday's mesage is Thuridilla splendens. Here is a photo of Thuridilla splendens.

Shima Prefecture, Mie, central Japan., March 20,2001. Length: 25mm. Depth: -4m.

Best wishes,
Yasuhiro Shirai

Shirai, Y., 2001 (Sep 12) Thuridilla splendens from Japan. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

Dear Yasuhiro,
Thanks for the photo. I suspect your probably correct about the identity of Jun Imamoto's animal. What it had in the way of colour pattern certainly fitted, but it does lack certain features such as the blue patches, but this could be because its is still a juvenile.
Best wishes,
Bill Rudman

Rudman, W.B., 2001 (Sep 12). Comment on Thuridilla splendens from Japan by Yasuhiro Shirai. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

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