Jeff Rotman / Poisonous dorsal spines of Tassled scorpionfish (Scorpaenopsis oxycephalus) Red Sea, Egypt

Georgette Douwma / Scorpionfish camouflaged on sponge with featherstar. Sulawesi, Indonesia.

Jeff Rotman / Bearded Scorpionfish head portrait (Scorpaenopsis barbatus) Red Sea - fish is well camouflaged on coral.

Alex Mustard / Diver (Jennie Lawson) with a camouflaged Scorpionfish (Scorpaenopsis oxycephala) on a coral reef. Gubal Island, Egypt. Strait Of Gubal, Gulf of Suez, Red Sea.

David Hall / Shortsnout scorpionfish (Scorpaenopsis obtusa) camouflaged against sea floor. Pantar, Alor Archipelago, Indonesia.

Gary Bell/ Oceanwide / Tassled Scorpionfish (Scorpaenopsis oxycephala), Anilao, Philippines

Georgette Douwma / Tasseled scorpionfish (Scorpaenopsis oxycephala). West Papua, Indonesia. Indo-West Pacific.

Georgette Douwma / Pattern on Scorpionfish skin (Scorpaenopsis sp) West Papua, Indonesia. Indo-West Pacific.

Magnus Lundgren / Wild Wonders of China / Devil scorpionfish (Scorpaenopsis diabolus) close up of eye, Pak Lap Tsai, Sai Kung, Hong Kong, China.

David Fleetham / Mouth of a tassled scorpionfish (Scorpaenopsis oxycephala), Yap, Caroline Islands, Micronesia.

Alex Mustard / Raggy scorpionfish (Scorpaenopsis venosa) disputing territory. Ambon Bay, Ambon, Maluku Archipelago, Indonesia. Banda Sea, tropical west Pacific Ocean.

Alex Mustard / Raggy scorpionfish (Scorpaenopsis venosa) disputing territory. Ambon Bay, Ambon, Maluku Archipelago, Indonesia. Banda Sea, tropical west Pacific Ocean.

Alex Mustard / Poss's scorpionfish (Scorpaenopsis possi) is trapped in a discarded fishing net, which has continued ghost fishing and is still killing fish. The photographer released this fish from the net after tak...

Bert Willaert / Scorpionfish (Scorpaenopsis sp.) blending in to its environment. Bismarck Sea, Vitu Islands, West New Britain, Papua New Guinea

Franco Banfi / Scorpionfish (Scorpaenopsis oxycephalus) Tubbataha Reef Natural Park, UNESCO World Heritage Site, Sulu Sea, Cagayancillo, Palawan, Philippines

Constantinos Petrinos / Humpback scorpionfish (Scorpaenopsis gibbosa) portrait. Lembeh Strait, North Sulawesi, Indonesia.

Constantinos Petrinos / Flasher scorpionfish (Scorpaenopsis macrochir) pink colour variant Lembeh Strait, North Sulawesi, Indonesia.

Franco Banfi / Tasseled scorpionfish (Scorpaenopsis oxycephala), Aldabra Atoll, Natural World Heritage Site, Seychelles, Indian Ocean.

Franco Banfi / Tasseled scorpionfish (Scorpaenopsis oxycephala), Aldabra Atoll, Natural World Heritage Site, Seychelles, Indian Ocean.

Linda Pitkin / Yellowfin scorpionfish (Scorpaenopsis neglecta) Lembeh Strait, North Sulawesi, Indonesia, February 2016

Linda Pitkin / Yellowfin scorpionfish, Bandtail scorpionfish (Scorpaenopsis neglecta) Lembeh Strait, North Sulawesi, Indonesia, February

Bertie Gregory / Tasseled scorpionfish (Scorpaenopsis oxycephala) on the wreck of the SS Thirstlegorm, northern Red Sea, December 2014

Tony Wu / Tassled scorpionfish (Scorpaenopsis oxycephala) two large individuals engaged in a territorial dispute, Ambon, Indonesia

Pascal Kobeh / Smallscale scorpionfish (Scorpaenopsis oxycephalus) Sulu Sea, Philippines

Pascal Kobeh / Smallscale scorpionfish (Scorpaenopsis oxycephalus) Sudan. Red Sea.

Pascal Kobeh / Two bearded scorpionfish (Scorpaenopsis barbatus / barbata), coast of Dhofar and Hallaniyat islands, Oman. Arabian Sea.

Pascal Kobeh / Bearded scorpionfish (Scorpaenopsis barbatus), coast of Dhofar and Hallaniyat islands, Oman. Arabian Sea.

Solvin Zankl / Tassled scorpionfish (Scorpaenopsis oxycephala) swimming just above sea bed, Raja Ampat, West Papua, Indonesia, Pacific Ocean.

Michael Pitts / Flathead scorpionfish (Scorpaenopsis oxycephalus) Red Sea.

Franco Banfi / Tasseled scorpionfish (Scorpaenopsis oxycephala) Maldives, Indian Ocean

Franco Banfi / Two Tasseled scorpionfish (Scorpaenopsis oxycephala) Maldives, Indian Ocean

Franco Banfi / Tasseled scorpionfish (Scorpaenopsis oxycephala) Maldives, Indian Ocean

Georgette Douwma / Humpback or Devil scorpionfish (Scorpaenopsis diabolus) Rinca, Komodo National Park, Indonesia

Georgette Douwma / Humpback or Devil scorpionfish (Scorpaenopsis diabolus) Rinca, Komodo National Park, Indonesia

Georgette Douwma / Yellownose scorpionfish (Scorpaenopsis novaeguinea) Rinca, Komodo National Park, Indonesia

Juergen Freund / Tasseled scorpionfish (Scorpaenopsis oxycephala), detail of the eye. North Raja Ampat, West Papua, Indonesia.

Juergen Freund / Humpback / Devil scorpionfish (Scorpaenopsis diabolus) on the sand. Lembeh Strait, North Sulawesi, Indonesia.

GEORGETTE DOUWMA / Tassled scorpionfish (Scorpaenopsis oxycephala) camouflaged on leather coral. Egypt, Red Sea

Sue Daly / Eye of Tassled scorpionfish (Scorpaenopsis oxycephala) Lembeh Straits, Sulawesi, Indonesia

GEORGETTE DOUWMA / Tassled scorpionfish (Scorpaenopsis oxycephala) on coral reef. Philippines.

GEORGETTE DOUWMA / Tassled scorpionfish (Scorpaenopsis oxycephala) on coral reef. Philippines.

GEORGETTE DOUWMA / Scorpionfish (Scorpaenopsis sp) camouflaged on seabed, Sulawesi, Indonesia

Fred Bavendam / Devil Scorpionfish (Scorpaenopsis diabolus), Andaman Sea, Thailand

Fred Bavendam / Tassled Scorpionfish (Scorpaenopsis oxycephala), Manado, Indonesia

Chris Newbert / Scorpionfish (Scorpaenopsis sp) pectoral fin detail, Indonesia

GEORGETTE DOUWMA / Raggy scorpionfish (Scorpaenopsis venosa) lying camouflaged on coral. Komodo, Indonesia

GEORGETTE DOUWMA / Raggy scorpionfish (Scorpaenopsis venosa) lying camouflaged on coral with a pair of Eastern triangular butterflyfish (Chaetodon baronessa) in background. Komodo, Indonesia

Georgette Douwma / Tassled scorpionfish (Scorpaenopsis oxycephala) with Blue dragon (Pteraeolidia ianthina) nudibranch crawling over it. Rinca, Indonesia

Georgette Douwma / Tassled scorpionfish (Scorpaenopsis oxycephala) with Blue dragon (Pteraeolidia ianthina) nudibranch crawling over it. Rinca, Indonesia

Graham Eaton / Devil Scorpionfish (Scorpaenopsis diabolus) camouflaged against rocks, Red Sea, Egypt, July

Jeff Rotman / Close up of Tassled Scorpionfish (Scorpaenopsis oxycephalus) with mouth open, Red Sea.

Constantinos Petrinos / Tassled scorpionfish {Scorpaenopsis oxycephala} camouflaged on pier pillar, Sulawesi, Indonesia

Constantinos Petrinos / Tassled scorpionfish {Scorpaenopsis oxycephala} on pier pillar, Sulawesi, Indonesia

Birgitte Wilms / Devil Scorpionfish (Scorpaenopsis diabolus) portrait, 50 feet deep, Indonesia

Jeff Rotman / Tassled Scorpionfish (Scorpaenopsis oxycephala) portrait. Egypt, Red Sea.

Jeff Rotman / Devil scorpionfish / False Stonefish (Scorpaenopsis diabolus) camouflaged on coral reef bed. Egypt, Red Sea.

Jeff Rotman / Bearded Scorpionfish (Scorpaenopsis barbatus), close-up of head. Egypt, Red Sea.

GEORGETTE DOUWMA / Scorpionfish {Scorpaenopsis sp} camouflaged on coral. Sulawesi, Indonesia

Peter Scoones / Bearded Scorpionfish (Scorpaenopsis barbatus) Red Sea

Juergen Freund / Juvenile Bearded scorpionfish {Scorpaenopsis barbatus} amongst coral, Indo pacific

Juergen Freund / Bearded scorpionfish {Scorpaenopsis barbatus} Indo pacific

Juergen Freund / Bearded scorpionfish {Scorpaenopsis barbatus} Indo pacific

Dan Burton / Close up of head of Tassled scorpionfish {Scorpaenopsis oxycephala} Red Sea

Chris Newbert / Devil Scorpionfish (Scorpaenopsis diabolus) 40 feet deep, Papua New Guinea

Doug Perrine / Scorpionfish {Scorpaenopsis sp} on seabed, Ari Atoll, Maldives

Doug Perrine / Tassled scorpionfish {Scorpaenopsis oxycephala} Surin Is, Thailand

Fred Bavendam / Tassled Scorpionfish (Scorpaenopsis oxycephala) portrait, Bali, Indonesia

Fred Bavendam / Scorpionfish (Scorpaenopsis sp) camouflaged among corals, Manado, North Sulawesi, Indonesia

Carine Schrurs / Dorid nudibranch climbing over Bearded scorpionfish Anilao, Batangas, Philippines

Constantinos Petrinos / Tassled scorpionfish on pier pillar. Sulawesi, Indonesia {Scorpaenopsis oxycephala} Sulawesi Indonesia

Constantinos Petrinos / Tassled scorpionfish {Scorpaenopsis oxycephala} on anchor chain, Fiji

Constantinos Petrinos / Tassled scorpionfish {Scorpaenopsis oxycephala} in Elephant ear sponge (Langhella basta} Sulawesi

Constantinos Petrinos / Scorpionfish {Scorpaenopsis sp} Sulawesi, Indonesia

Peter Scoones / Bearded scorpionfish {Scorpaenopsis barbatus} Andaman sea, Thailand

Peter Scoones / Bearded scorpionfish {Scorpaenopsis barbatus} Richelieux Rock, Andaman Sea

GEORGETTE DOUWMA / Scorpionfish camouflaged on sponge with featherstar. Sulawesi, Indonesia.

GEORGETTE DOUWMA / Scorpionfish on sponge. Sulawesi, Indonesia

GEORGETTE DOUWMA / Scorpionfish lying in ambush, Sulawesi, Indonesia

GEORGETTE DOUWMA / Bearded Scorpionfish {Scorpaenopsis barbatus} Red Sea

Peter Scoones / Bearded Scorpionfish on rocks, Red Sea

Peter Scoones / Devil Scorpionfish hidden amongst rocks

Peter Scoones / Nocturnal Scorpionfish, Red Sea.

Peter Scoones / Common scorpionfish (Scorpaenopsis gibbosa). Red Sea

Jeff Rotman / Tassled scorpionfish close-up of dorsal spines. Red Sea {Scorpaenopsis oxycephala}

Jeff Rotman / Devil scorpionfish camouflaged on reef {Scorpaenopsis diabolus} Red Sea

Jeff Rotman / Tassled scorpionfish {Scorpaenopsis oxycephala} Red Sea

Gary Bell/ Oceanwide / Tassled Scorpionfish (Scorpaenopsis oxycephala), Anilao, Philippines

Gary Bell/ Oceanwide / Tassled Scorpionfish (Scorpaenopsis oxycephala), Anilao, Philippines

Gary Bell/ Oceanwide / Devil Scorpionfish (Scorpaenopsis diabolus), Queensland, Australia

David Fleetham / Common / Tassled scorpionfish (Scorpaenopsis oxycephala) resting on flower soft coral (Xenia sp.), Mabul Island, Malaysia.

David Fleetham / Tassled scorpionfish (Scorpaenopsis oxycephala) and scuba diver, Indonesia. Model released.

David Fleetham / Devil scorpionfish (Scorpaenopsis diabolus), pair resting side-by-side on the reef, camouflaged, Hawaii.

Pete Oxford / Scorpionfish (Scorpaenopsis sp) camouflaged in reef, Raja Ampat Islands, Indonesia

Pete Oxford / Scorpionfish (Scorpaenopsis sp) camouflaged in reef, Raja Ampat Islands, Indonesia

Pete Oxford / Tassled Scorpionfish (Scorpaenopsis oxycephala), Raja Ampat Islands, Indonesia

Pete Oxford / Tassled Scorpionfish (Scorpaenopsis oxycephala) camouflaged in reef, Raja Ampat Islands, Indonesia