Mysterious Blob-Like Sea Creature Washes Up On Beach, Puts On Vibrant Display A colorful sea creature was recently spotted floating in the waters along the coast of Western Australia. The blob-like creature – identified as a Spanish dancer or Hexabranchus sanguineus – put on a vibrant display, showing off its red and orange hues. It got the name due to its striking resemblance to a flamenco dancer's skirt. A Facebook user recently shared an image of the sea slug spotted in the waters of Coral Bay, which left several other users in awe. Some of them also posted images of the creature from the same spot taken over the years.