Michele Westmorland / Balloon fish (Diodon holocanthus) on seabed, St Vincent, West-Indies, Caribbean, May.

Pete Oxford / Balloonfish (Diodon holocanthus) beside fan coral, Coral Reef Island, Belize Barrier Reef, Belize

Michele Westmorland / Balloonfish (Diodon holocanthus) on the seabed, within in coral reef system, Dominica, West Indies, Caribbean.

Pete Oxford / Freckled Porcupinefish / Balloon fish (Diodon holocanthus) off of North Stradbroke Island. Queensland. Australia

Pete Oxford / Balloonfish (Diodon holocanthus) Tagus Cove, Isabela Island. Galapagos Islands, Ecuador, South America

Pete Oxford / Balloon fish (Diodon holocanthus) Tagus Cove, Isabela Island, Galapagos Islands, Ecuador, South America

Michele Westmorland / Aerial view from a hot air balloon tour over the dunes and desert, Sossusvlei, Namib-Naukluft National Park, Namibia Fish-eye lens

Michele Westmorland / Aerial view from a hot air balloon tour over the dunes and desert, Sossusvlei, Namib-Naukluft National Park, Namibia, Fish-eye lens

GEORGETTE DOUWMA / Balloon fish (Diodon holocanthus) amongst corals, Lembeh Strait, North Sulawesi, Indonesia

Pete Oxford / Guineafowl Pufferfish (Arothron meleagris), golden phase, Wolf Island, Galapagos Islands, Ecuador

Norbert Wu / Blue-streaked Cleaner Wrasse (Labroides dimidiatus) cleaning Guineafowl Pufferfish (Arothron meleagris), Raja Ampat Islands, Indonesia

GEORGETTE DOUWMA / Balloon fish / Fine-spotted porcupinefish (Diodon holocanthus) Lembeh Strait, North Sulawesi, Indonesia