black long spine sea urchin pulling back in his eye

africa african animal animals aquaculture aquarium australian back bane black coral diadema diadematidae diadematoida echinoidea exotic eye grabaskeys hedgehog his indo indopacific life lime long longspined marine ocean pacific pet pets poisonous prickles prickly pulling red reef reefs sea setosum spine spined spines toxic trade tropical underwater urchin urchins venomous water