David Fleetham / Netted pufferfish / Spotted toby (Canthigaster solandri). Yap, Micronesia.

Georgette Douwma / Juvenile of a Whitespotted puffer (Arothron hispidus) Puerto Galera, Philippines.

Linda Pitkin / Whitespotted puffer (Arothron hispidus) on coral reef, Jackfish Alley, Ras Mohammed NP, Egypt, Red Sea.

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

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

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

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.

Alex Mustard / Portrait of Papuan toby (Canthigaster papua) Bitung, North Sulawesi, Indonesia. Lembeh Strait, Molucca Sea.

Juergen Freund / Toby pufferfish (Canthigaster sp.), close-up of the head. Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Papuan Toby pufferfish (Canthigaster papua) swimming by reef corals, Lembeh Strait, Sulawesi, Indonesia, October

Sue Daly / Eye of Bristley pufferfish / Toby fish (Arothon hispidus) Lembeh Straits, Sulawesi, Indonesia

GEORGETTE DOUWMA / Fine-spotted puffer / toby {Canthigaster compressa} male, Lembeh Strait, North Sulawesi, Indonesia.