Labels:text | screenshot | animal OCR: Quiz ma you by sy fish, spike even pred abou puffe in wa thro the v ELE MICROSOFT OCEANS Underwater porcupines When a spiny pufferfish inflates, its spines stick out like a porcupine's. Because it's so round and spiky, attackers can't swallow it. Needless to say, it's very hard for a spiky ball to swim away, so these fish must remain inflated until the coast is clear. Contents Marine Life A World of Water People & the Sea Guides Index Back What's a Fish? Spiny pufferfish Diodon holacanthus Options olphins rpoises Help