Re: Swimming Gastropteron rubrum from Croatia

April 18, 2005
From: Andrej Jaklin

Dear Bill and Tom,
Concernng the photo in Tom Turk's message [#13449]: This is a really nice picture. Two things from the message I have difficulty in accepting:
- from my personal experiences this species is always less than 5 cm long, so mentioned size in way too big; pictures I sent to the forum [#11952 ] were taken with 1:1 extension tube, meaning animals are less than 36 mm long
- from this picture it seems that animals are swiming up side down! is it possible that slide wasn't properly oriented?
And yes, this species seems to be rather rare in the Adriatic, all the data I collected are from the area around Senj.
Best regards,
AJ

jaklin@cim.irb.hr

Jaklin, A., 2005 (Apr 18) Re: Swimming Gastropteron rubrum from Croatia. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/13518

Dear Andrej,
I agree the size seems very large. Concerning the orientation - I have not seen this species swimming, but species that I have do seem to be a bit uncontrolled, so a bit of 'upside down' swimmimg wouldn't be out of the ordinary. Hopefully Tom can clarify these points
Best wishes,
Bill Rudman

Rudman, W.B., 2005 (Apr 18). Comment on Re: Swimming Gastropteron rubrum from Croatia by Andrej Jaklin. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/13518

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