Porcupine pufferfish

The Porcupine pufferfish (Diodon holocanthus) is characterized by its ability to inflate itself into a ball when threatened. It has a beige to yellow body covered with large spines that stand erect when the fish is inflated. Originating from tropical and subtropical waters worldwide, this species showcases a distinctive appearance with large, expressive eyes and a splotchy coloration. It is a popular choice among aquarium enthusiasts due to its unique look and engaging personality, although its care requires a well-sized tank and specific water conditions.