Re: Cadlina luteomarginata

August 25, 2001
From: Brian K. Penney

My animal certainly looks similar to Cadlina luteomarginata, and more so than the few Cadlina laevis I have seen. I have seen some specimens that look similarly translucent and with prominent mantle glands (especially if small) here in British Columbia, Canada. However, I rarely see C. luteomarginata with yellow-tipped gills; normally they look like Jeff Goddard's photo.

Is someone able to collect some east coast specimens to send to Rebecca Johnson at California Academy of Sciences, who is currently working on Cadlina phylogeny? (feel free to pipe in here, Rebecca) She would need some preserved in formalin and some in 95% ethanol for morphological and molecular work, respectively.
Best regards,

Penney, B.K., 2001 (Aug 25) Re: Cadlina luteomarginata. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

Dear Brian,
I was wondering how important the yellow tipped gills and rhinophores were in Cadlina luteomarginata. They are certainly present in the photo in Dave Behren's book, and mentioned in MacFarland's original description, but clearly absent in Jeff Goddard's photo.
best wishes,
Bill Rudman

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