A couple of quick passes with a clear aerosol finish complete the project.
You may need to click on the photos to see them at full size.
The Sea Dragon is a nice kit, suitable for display or gaming (although that long tail could pose a threat to other miniatures on the tabletop!).
I'm happy with the results achieved with sponge applicators and Future-thinned paints, and will have to consider it for other projects.