Juvenile Tenellia adspersa from the Baltic Sea

January 13, 2010
From: Thorsten Walter


Dear Bill,
I am the owner of a small local aquarium/museum located at the Baltic Sea in Lübeck-Travemünde, northern Germany. During our field trips with school clases we sometimes found small nudibranchs, inside the harbour in front of our station. The salinity of the water is normally 1.0-1.5 psu.

Here is another find which I think might be a young specimen of Tenellia adspersa [see my earlier message #23078].

Locality: Harbour, less than 1 metre, Germany, Schleswig-Holstein, Luebeck Bight, Baltic Sea, 21 December 2008, On Mytilus edulis covered with hydroids. Length: 2.5 mm. Photographer: T. Walter.

Best regards
Thorsten Walter


info@ostseestation.de

Walter, T., 2010 (Jan 13) Juvenile Tenellia adspersa from the Baltic Sea. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/23080

Dear Thorsten,

I think you are right in assuming this is a juvenile of Tenellia adspersa. The shape of the head certainly looks like a tergipedid, but the lack of any oral tentacles suggest that it is a young Tenellia in which the oral tentacles have not yet developed.

Best wishes,
Bill Rudman

Rudman, W.B., 2010 (Jan 13). Comment on Juvenile Tenellia adspersa from the Baltic Sea by Thorsten Walter. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/23080

Factsheet

Tenellia adspersa

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