diadem black sea urchin also know as long-spined sea urchin looking with his eye and laying on the bottom

also and antillarum aquarium atlantic bane basin black blue bottom caribbean coral diadem diadema diadematidae diadematoida echinoidea exotic eye eyes grabaskey grabaskeys hedgehog his indo know laying life lime long longspined looking marine ocean pacific pet pets poisonous reef reefs sea spiked spikes spined spines sting tropical urchin urchins venomous water waters west wild wildlife