sea urchin, close up black sea urchin or long spines sea urchin an exotic water animal shown in aquarium

animal aquatic background beauty black blue blueblack clear close color colorful coral creature diadema diving echinoderm echinothrix ecosystem exotic food french holiday invertebrate island life long macro marine moorea natural nature nobody ocean one pacific polynesia red reef rock scene sea shown spine spines tropical underwater urchin urchins vacation vegetation vibrant water wild wildlife