Nudibranchs can vary a LOT in size. As adults, they can be as small as a few mm to over 60cm (0.16in to 25in). But what is the smallest, largest, and average size of Nudibranchs? Read to find out and see photos of the World's Largest - Spanish Dancer -...

If you haven't seen my new sticker design - check it out. It features two of my favorite Nudibranchs, Nembrotha kubaryana and Chromodoris lochi. Read more to see why they are my favorite!