Little, transparent, blue-ish sea creatures are washing up on the shore at beaches in San Diego County. San Diego residents are taking to social media to ask the question: what are they? The tiny blobs you might have seen during your walk on the beach are a species known as Velella velella. The creatures are also known as "by-the-wind sailors." According to UC San Diego’s Scripps Institution of Oceanography, the creatures float on the ocean surface and are moved across the water by the wind. MORE: https://www.cbs8.com/article/news/local/what-are-those-blobs-washing-up-on-beaches/509-25e36159-ed5d-46a3-8215-296b68a375ab