Red pencil urchin, (Heterocentrotus mammilattus), Blowhole, Oahu, Hawaii, United States of America, Pacific

water marine saltwater sea ocean underwater echinodermata abstract close up detail red orange echinothuridae echinoidea outdoors nature natural world marine life close ups details vibrant colors vibrant colours sea urchins red pencil urchin red pencil urchins heterocentrotus mammilattus day horizontal