Coriocella nigra from Japan

October 5, 1999
From: H. Ono

Hello,

What is this animal? Is this a sea slug or a kind of snail? I found it several times throughout the year except in winter.
Data: Oct 2nd 1999, depth 15m, on rock. water temp 25 degree. length 60mm. Tateyama southern point(about 180km southsoutheast of Tokyo)of Boso peninsula, Chiba pref, Japan.

Thanks lot to share your time for me.

H. Ono.

hal9001@green.ocn.ne.jp

Ono, H., 1999 (Oct 5) Coriocella nigra from Japan. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/1400

Dear Mr Ono,
This is a snail, not a Sea Slug. Have a look at the Top of this Page for some information on the velutinid snails, in which the shell is usually hidden within the skin. This animal is probably Coriocella nigra Blainville, 1824. It can grow to 10cm and is found throughout the tropical Indo-West Pacific.
Best wishes,
Bill Rudman.

Rudman, W.B., 1999 (Oct 5). Comment on Coriocella nigra from Japan by H. Ono. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/1400

Factsheet

Velutinidae - are they sea slugs?

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