Georgette Douwma / Orbicular burrfish or Shortspine porcupinefish (Cyclichthys orbicularis) with a Bluestreak cleaner wrasse ( Labroides dimidiatus) Ambon, Indonesia.

Tony Wu / Porcupine pufferfish (Cyclicththus orbicularis) close up portrait, Ambon, Indonesia

Jeff Rotman / Orbicular burrfish / Short-spined porcupinefish (Cyclichthys orbicularis) puffed up with water, Lembeh Strait, Celebes Sea, Sulawesi, Indonesia.

Jeff Rotman / Orbicular burrfish / Short-spined porcupinefish (Cyclichthys orbicularis) puffed up with water, Lembeh Strait, Celebes Sea, Sulawesi, Indonesia.

Fred Bavendam / Birdbeak Burrfish (Cyclichthys orbicularis), Ambon, Indonesia

Juergen Freund / Orbicular burrfish / Pufferfish (Cyclichthys orbicularis) inflated for defense, Indo-Pacific

David Fleetham / Juvenile birdbeak burrfish (Cyclichthys orbicularis), Mabul Island, Malaysia.

David Fleetham / Juvenile birdbeak burrfish (Cyclichthys orbicularis), Mabul Island, Malaysia.

David Fleetham / Yellowspotted burrfish (Cyclichthys spilostylus) portrait, Red Sea, Egypt.

Franco Banfi / Yellow-spotted burrfish (Cyclichthys spilostylus), Strait of Gubal, Red Sea, Egypt.

David Fleetham / Web burrfish (Chilomycterus antillarum), Florida, USA. January.

Pascal Kobeh / Birdbeak or Porcupinefish (Cyclichthys orbicularis) among corals, Red Sea, Egypt.