Red-margined Spanish Dancer (Hexabranchus sandwichensis) size 30cm
The Red-margined Spanish Dancer is a Hawaiian endemic nudibranch. It also can be a very large nudibranch. It has red margins and a lot of scattered white blotches. It changes its appearance as it grows so it is sometimes a little hard to distinguish from the Yellow-margined Spanish Dancer. Kauai 2013
This Red-margined Spanish Dancer was in the surge zone. I was body slammed by a large sea turtle getting this picture. Kauai 2020
Red-margined Spanish Dancer eggs are very red. Kauai 2010
Red-margined Spanish Dancer is being eaten by a Hawaiian Swimming Crab. This was taken during a night dive. Kauai 2022