If you would like some clear pictures that could enhance your site let me know. We do not want payment as we wholeheartedly support biological research especially underwater biological research. All we would require is a note of recognition as an up and coming underwater camera team. Good luck with your underwater camera business. I am more than happy to mention your activities any time you send us some opisthobranch photos.
Common names are a bit of a problem as they can apply to many quite unrelated species.
It has made egg mass that we are studying every day on microscope for understanding its development. Is there anyone who knows some information abaut Umbraculum . Dear Roberto, I have had a quick look and can't find any information on its biology. Hopefully someone can help us with information or a reference.