These <i><a href="https://en.wikipedia.org/wiki/Glaucus_atlanticus" class="extiw" title="w:Glaucus atlanticus">Glaucus atlanticus</a></i> (left) and <i><a href="https://en.wikipedia.org/wiki/Glaucilla_marginata" class="extiw" title="w:Glaucilla marginata">Glaucilla marginata</a></i> were washed up on Surfers Paradise Beach in Queensland Australia. The larger one is about 35 mm in length.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/tjt195/">Taro Taylor</a> from Sydney, Australia
CC BY 2.0
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