Alex Mustard / Spotted porcupinefish (Diodon hystrix) swimming in open water above a coral reef, West Bay, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea.
01258504
Claudio Contreras / Balloon fish (Diodon holocanthus) with defensive spines, Puerto Morelos National Park, Caribbean Sea, Mexico, January
01626140
Franco Banfi / Diamond stingray (Dasyatis brevis) with Longspined porcupinefish (Diodon holocanthus), Cabo Pulmo Marine National Park, Baja California Sur, Mexico
01619116
Juergen Freund / Long-spine Porcupinefish (Diodon holocanthus) in its discarded aluminum can home, North Sulawesi, Indonesia. November.
01619115
Juergen Freund / Long-spine Porcupinefish (Diodon holocanthus) in its discarded aluminum can home, North Sulawesi, Indonesia. November.
01607226
David Fleetham / Giant porcupinefish (Diodon hystrix) at night. Kauai, Hawaii.
Richard Robinson / Spot-fin porcupinefish (Diodon hystrix) at North Minerva Reef / Teleki Tokelau a disputed territory in the South Pacific between Tonga and Fiji.
01597223
Linda Pitkin / Porcupinefish (Diodon hystrix) on coral reef Klein Bonaire, Bonaire, Leeward Antilles, Caribbean.