Alex Mustard / Warty / Clown frogfish (Antennarius maculatus) male portrait, Anilao, Batangas, Luzon, Philippines, March

David Fleetham / Painted frogfish (Antennarius pictus) with first dorsal spine and lure extended to attract prey. Dumaguete, Philippines.

Alex Mustard / Yellow warty frogfish (Antennarius maculatus) Seraya, Tulamben area, Bali, Indonesia. Java Sea.

Tony Wu / Commerson's frogfish (Antennarius commerson) sitting on a sponge concealed by sea fans, Shaw Thing, Eastern Fields of Papua New Guinea.

Tony Wu / Giant frogfish (Antennarius commersoni) silhouetted against sea surface from below, Ambon, Indonesia.

Georgette Douwma / Giant frogfish (Antennarius commerson) perched on sponge. Mabul, Malaysia.

David Fleetham / Sargassumfish (Histrio histrio) two living in floating polypropylene rope. Hawaii. Pacific ocean.

Alex Mustard / Portrait of a Giant frogfish (Antennarius commersoni) waiting in ambush hidden amongst sponges growing on a coral reef. Dauin Marine Protected Area, Dumaguete, Negros, Philippines. Bohol Sea, tropical...