David Fleetham / Smooth trunkfish (Lactophrys triqueter), portrait. Bonaire, Dutch Caribbean.

Claudio Contreras / Smooth Trunkfish (Lactophrys triqueter). Cancun National Park, Caribbean Sea, Mexico.

Georgette Douwma / Yellow Boxfish / Cube trunkfish (Ostracion cubicus) Egypt, Red Sea.

Juergen Freund / Trunkfish / Longhorn cowfish {Lactoria cornuta}

Georgette Douwma / Yellow boxfish (Ostracion cubicus). North Sulawesi, Indonesia.

Georgette Douwma / Yellow boxfish (Ostracion cubicus). North Sulawesi, Indonesia.

David Fleetham / Trumpetfish (Aulostomus maculatus) swimming behind Yellow boxfish (Ostracion cubicus) as a blind to ambush prey. Yap, Micronesia.

David Fleetham / Spotted boxfish (Ostracion meleagris) swimming above sea floor. Hawaii.

Tim Fitzharris / Butterflyfish (Chaetodon sp) group and male Horned Boxfish (Lactoria cornuta), Coral Coast, Australia

Magnus Lundgren / Wild Wonders of China / Yellow boxfish (Ostracion cubicus) Sai Kung East Country Oark, Hong Kong, China.

David Fleetham / Shaw's / striped cowfish (Aracana aurita), Australia.

Richard Robinson / Spotted Boxfish (Ostracion meleagris) Namuka-i-Lau Island lagoon, Lau Island Group, Fiji. August, 2017