Chromodoris albonares from Japan

September 13, 2002
From: Toru Matsumoto

Dear Dr.Rudman,
I found this at Urada Bay of Tanegashima Island, Japan. At first I didn't realized this was such a rare creature. That is why it has taken me so long to send this message. I believe this is Chromodoris albonares but its rhinophores look pale blue, so please help. The Bay where I found this is in the northest part of Tanegashima Island and is very rich in interesting creatures.

Date: 24 December, 2001
Location: Tanegashima Island, Japan.
Length: 5mm
Depth: 7m

Photo by Toru Matsumoto
(Local School Teacher)

Matsumoto, T., 2002 (Sep 13) Chromodoris albonares from Japan. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

Dear Toru,
Thanks for this interesting find. Yes it does seem to be Chromodoris albonares. The large rhinophores are very distinctive. Often thin white objects appear to have a bluish tinge to them. It is not a blue pigment, just the way light is reflected and refracted in certain conditions.
Best wishes,
Bill Rudman

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