Linda Pitkin / Whitespotted puffer (Arothron hispidus) on coral reef, Shark Reef to Jolande, Ras Mohammed National Park, Egypt, Red Sea.

Bert Willaert / Map pufferfish (Arothron mappa), Bismarck Sea, Vitu Islands, West New Britain, Papua New Guinea

Nature Production / White-spotted pufferfish (Torquigener albomaculosus) Kagoshima, Japan

Constantinos Petrinos / Spotted puffer (Arothron meleagris) juvenile defecating, Lembeh Strait, North Sulawesi, Indonesia.

Constantinos Petrinos / Spotted puffer (Arothron meleagris) juvenile. Lembeh Strait, North Sulawesi, Indonesia.

Constantinos Petrinos / Spotted puffer (Arothron meleagris) juvenile. Lembeh Strait, North Sulawesi, Indonesia.

Pete Oxford / Blackspotted puffer (Arothron nigropunctatus) amongst coral, Rainbow Reef, Fiji, South Pacific.

Georgette Douwma / Star puffer (Arothron stellatus) juvenile. Lembeh Strait, North Sulawesi, Indonesia.

Georgette Douwma / Star puffer (Arothron stellatus) juvenile, Lembeh Strait, North Sulawesi, Indonesia.

Tony Wu / Starry pufferfish (Arothron stellatus) rear view of juvenile, Lembeh Strait, North Sulawesi, Indonesia

Tony Wu / Star pufferfish (Arothron stellatus) juvenile sifting through sand, looking for food, Lembeh Strait, North Sulawesi, Indonesia

Tony Wu / White-spotted pufferfish (Arothron hispidus) being cleaned by Bicolor cleaner wrasse (Labroides bicolor) Ambitle Island, one of the two islands in the Feni Island group, New Ireland, Papua New Guinea.