Porcupine pufferfish
Scientific name: Diodon Holocanthus
Description: The porcupine pufferfish inflates its body while simultaneously erecting its toxic spines to protect itself. The fish is generally brown in color with darker spots and a distinctive dark bar across its eyes. They reside in reefs and sandy bottoms while commonly feeding upon benthic invertebrates.
Fun Facts:
a. They take in water to inflate their bodies!
b. In the Pacific Islands, balloonfish were worn as a helmet!