@thetidepooler recently asked if I knew of any guides to egg masses of sea slugs from California, and I thought of this wonderful online guide put together a few years ago by avid diver and talented photographer Merry Passage, with contributions from her husband and equally avid and talented underwater photographer Phil Garner (@maxbottomtime): https://www.divermerry.com/Opisthobranch-Eggs

Some of the images in Merry's guide made their way into Behrens et al. (2022) guidebook, and as with all guides using scientific names, it doesn't take long for some of the nomenclature to change, so anyone not recognizing the use of a particular genus or species may want to consult WoRMS (https://www.marinespecies.org/), which iNaturalist relies on.

I wish I had thought of spreading the word about Merry's guide sooner on iNaturalist; in any case, thank you again, Merry, for your efforts in putting this together!

OK, it might be time to make an iNat Project for Egg masses of NE Pacific heterobranchs. If one of you wants to start one before I can get to it, that would be great!

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