Thuridilla vatae and egg ribbon

July 11, 2002
From: Scott Johnson

Hi Bill,
Here is Thuridilla vatae with an egg mass. This was a common species in the early 1980s at Enewetak Atoll, where this photo was taken. I have seen only a couple of specimens at Kwajalein over the past 14 years, and Kwaj is only about 550 km southwest of Enewetak.

Johnson, S., 2002 (Jul 11) Thuridilla vatae and egg ribbon. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

Thanks Scott,
Is it very common to find a sacoglossan with an orange coloured egg mass? Most I can recall are white or in a few instances, yellow.
Best wishes,
Bill Rudman


Thuridilla vatae

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