A spotted porcupinefish (Diodon hystrix), Hawaii, United States of America, Pacific, North America

The spotted porcupinefish (Diodon hystrix), Hawaii, United States of America, Pacific, North America

Pufferfish swimming by star coral, Nassau, The Bahamas.

A large spotted pufferfish swims in for a closer look at the photogrpher's camera off the coast of Key Largo, Florida.

Porcupine fish in swimming in the Caribbean Sea.

Porcupinefish (Diodon hystrix) on house reef at Sebayur Island, Komodo Island National Park, Indonesia, Southeast Asia, Asia

Porcupinefish (Diodon hystrix) at night on house reef at Sebayur Island, Komodo Island National Park, Indonesia, Southeast Asia, Asia

Porcupine puffer fish (Diodon holacanthus) swimming over a reef, San Benedicto Island, near Socorro, Revillagigedo Islands, archipelago, Mexico, eastern Pacific

Malaysia, juvenile Spotted porcupine fish (Diodon hystrix)

Hawaii, Diver photographing a spotted porcupinefish (diodon hystrix), puffed up with spines sticking out.

Diver and a Spotted porcupinefish (Diodon hystrix), Hawaii, United States of America

Hawaii, Spotted burrfush (Chilomycterus reticulatus), very rare in this part of the world.