Alex Mustard / Orange painted frogfish (Antennarius pictus) fishing. Here the frogfish is illuminated by a snooted strobe and the background sand lit with a red LED torch. Bitung, North Sulawesi, Indonesia. Lembeh S...

Gary Bell/ Oceanwide / Tasselled Frogfish (Rhycherus filamentosus) showing lure, Port Phillip Bay, Mornington Peninsula, Victoria, Australia

Gary Bell/ Oceanwide / Tasselled Frogfish (Rhycherus filamentosus) showing lure, Port Phillip Bay, Mornington Peninsula, Victoria, Australia

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

Solvin Zankl / Sargassum fish (Histrio histrio) in Broad-toothed gulfweed (Sargassum fluitans) Sargassum Community. Sargasso Sea, Bermuda

Solvin Zankl / Sargassumfish (Histrio histrio) swimming near Broad-toothed gulfweed (Sargassum fluitans) Sargassum Community. Sargasso Sea, Bermuda.

Birgitte Wilms / Psychedelic Frogfish (Histiophryne psychedelica) discovered in 2008, lacks the typical lure and striped pattern mimicks hard corals, Indonesia

Alex Mustard / Long exposure portait of an Orange painted frogfish (Antennarius pictus). Anilao, Batangas marine protected area, Luzon, Philippines. Verde Island Passages, Tropical West Pacific Ocean.

Alex Mustard / Portrait of the face of a Hairy frogfish (Antennarius striatus). Anilao, Batangas marine protected area, Luzon, Philippines. Verde Island Passages, Tropical West Pacific Ocean.

Alex Mustard / Painted frogfish (Antennarius pictus) hides amongst rope sponges on a coral reef. Bitung, North Sulawesi, Indonesia. Lembeh Strait, Molucca Sea.

Sergio Hanquet / Frogfish (Antennatus nummifer) camouflaged against rock. Gran Canaria, Canary Islands.