mediterranean purple starfish - ophidiaster ophidianus

animal animals aqua aquaculture aquarium aquatic arm arms asteroidea atlantic azores background beautiful big biodiversity biology blue bright color coloured dive diving east echinoderm environment european fauna fish freshwater greece guinea gulf invertebrate invertebrates inverts ionic lichonos life living mariculture marine mediterranean natural nature ocean ophidianus ophidiaster ophidiasteridae organism parga portugal purple red regeneration saltwater scuba sea seastar serpente shape six snorkeling spain species spotted star starfish stars stella texture tropical undersea underwater water wild wildlife world