Aplysia juliana laying eggs
May 25, 2005
From: Dong Bum Koh
Dear Bill,
Here is a photo of what I think is Aplysia juliana with its eggs for the Sea Slug Forum.
Locality: Hwa Soon, Jeju Is, Sth Korea. Depth: 4 m. Length: 90 mm. 10 Oct. 2004. Rocky bottom. Photographer: Sang Yual Shin
Best regards,
Dong Bum Koh
drkoh@seasee.co.kr
D. B. Koh, 2005 (May 25) Aplysia juliana laying eggs. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/13799Dear Koh,
This is probably what Baba (1949: Pl 3, fig 11) identified as Aplysia sibogae Bergh. However I agree with you that it is most probably a colour form of A. juliana. Although the animal in the photo alongside my comment seems to be a bit damaged, it does show the pad-like muscle which A. juliana has at the posterior end of the foot. It uses this to form a 'sucker' when moving. Rather than crawling alongs smoothly like most Sea Hares, it often moves by attaching the posterior part of its foot, and then stretching the rest of the body forward, like some looping caterpillar. I have described a similar movement in Dolabrifera dolabrifera [see message #9789].
Best wishes,
Bill Rudman
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