Philinopsis reticulata laying eggs, Eilat, Red Sea
February 27, 2008
From: Binyamin Koretz
Concerning message #13297:
Dear Bill,
Here are some photos of Philinopsis reticulata (the pale variation) laying its egg coil in the sea grass.
I found it interesting that the egg coil is formed next to the animal, not around itself as we see its Chelidonura cousins do.
Locality: Eilat, Satil Area, 24 m, Israel, Red Sea (Gulf of Eilat), 28 April 2007, sea grass and patch reef. Length: ca. 2.5 cm. Photographer: Binyamin and Shulamit Koretz.
all the best
Binyamin
binyamin@koretz.net
Koretz, B., 2008 (Feb 27) Philinopsis reticulata laying eggs, Eilat, Red Sea. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21396Dear Binyamin,
Thanks for this interesting observation. What I can't make out from the photo is whether the egg mass is spherical like in Chelidonura, disc shaped or cylindrical? From my experience species of Chelidonura, Melanochlamys, Navanax and most Philinopsis have a spherical egg mass which is formed by coiling it around the head as you mentioned. As I have mentioned in messages about P. gardineri and P. reticulata today there are a small group of species which we call Philinopsis which most probably should be separated into their own genus. I have discussed this on the Fact Sheet of another similar species, P. gardineri. It would be interesting if all this group of species produced this type of egg mass.
Best wishes,
Bill Rudman
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