Juvenile Pteraeolidia from Sabah, Malysia

November 23, 2009
From: Mirjam Broos

Hello Bill,

I can't find this slug in my identification books.To me it looks like Phyllodesmium.

Locality: Sipadan, Hanging garden, Sabah, Malaysia, 25 september 2009. Photographer: Geert Prast.

Can you help me out please.

Thanks again,
Mirjam


mirjam.broos@planet.nl

Broos, M., 2009 (Nov 23) Juvenile Pteraeolidia from Sabah, Malysia. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/22829

Dear Mirjam,

This is a juvenile Pteraeolidia ianthina. As we can see from Sully Bachel's message [#22228] adults show considerable variation in colour with some having tha very white colour form as in her message while others are shades of brown and purple. The brown ones all contain specialised branches of the digestive gland which contain microscopic brown algae [see Solar powered slugs] which they apparently obtain from their food hydroids. However juveniles lack these brown plant cells and so are white.

Best wishes,
Bill Rudman

Rudman, W.B., 2009 (Nov 23). Comment on Juvenile Pteraeolidia from Sabah, Malysia by Mirjam Broos. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/22829

Factsheet

Pteraeolidia ianthina

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