Gary Bell/ Oceanwide / Bearded Ghoul (Inimicus didactylus), Anilao, Philippines

Pascal Kobeh / Spiny devilfish (Inimicus didactylus) on the sand which it imitates and whose has been cut by a predator, Sulu sea, Philippines

Tony Wu / Demon stinger (Inimicus didactylus) sitting on the sand with venomous spines on full display. Lembeh Strait, North Sulawesi.

Georgette Douwma / Devilfish /Stinger (Inimicus didactylus). Lembeh Strait, North Sulawesi, Indonesia.

Georgette Douwma / Devilfish / Stinger (Inimicus didactylus). Lembeh Strait, North Sulawesi, Indonesia.

Georgette Douwma / Spiny devilfish or Stinger (Inimicus didactylus). Ambon, Indonesia.

Constantinos Petrinos / Devil stinger (Inimicus didactylus) venomous species, . Lembeh Strait, North Sulawesi, Indonesia.

Georgette Douwma / Demon stinger or Devil stinger (Inimicus didactylus). Lembeh Strait, North Sulawesi, Indonesia.

Georgette Douwma / Spiny devilfish (Inimicus didactylus) covered in weed. Lembeh, Sulawesi, Indonesia.

Pascal Kobeh / Spiny devilfish (Inimicus didactylus) camouflaged on sand, Manado, Indonesia. Sulawesi Sea.

Pascal Kobeh / Spiny devilfish (Inimicus didactylus) camouflaged on sand, Manado, Indonesia. Sulawesi Sea.

Alex Mustard / Devil scorpionfish (Inimicus didactylus) moves across sandy seabed. Dauin, Dumaguete, Negros, Philippines. Bohol Sea, Tropical West Pacific Ocean.

Juergen Freund / Spiny devilfish / Bearded ghoul fish (Inimicus didactylus) well hidden on the coral rubble. Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Spiny devilfish / Bearded ghoul fish (Inimicus didactylus) on the sandy sea bed. Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Spiny devilfish / Bearded ghoul fish (Inimicus didactylus). Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Spiny devilfish / Bearded ghoul fish (Inimicus didactylus) well hidden on the coral rubble. Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Spiny devilfish / Bearded ghoul fish (Inimicus didactylus) well hidden on the coral rubble. Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Spiny devilfish / Bearded ghoul fish (Inimicus didactylus) well hidden on the coral rubble. Lembeh Strait, Sulawesi, Indonesia

Sue Daly / Demon stinger / Bearded ghoul fish (Inimicus didactylus) on seabed, Lembeh Straits, Sulawesi, Indonesia

Chris Newbert / Bearded Ghoul (Inimicus didactylus) portrait, venomous species, Indonesia

Chris Newbert / Bearded Ghoul (Inimicus didactylus), venomous species, Indonesia

Chris Newbert / Bearded Ghoul (Inimicus didactylus), venomous, Papua New Guinea

Birgitte Wilms / Bearded Ghoul (Inimicus didactylus) portrait, 80 feet deep, Indonesia

Constantinos Petrinos / Spiny devilfish (Inimicus didactylus) unusual red colour variant, Sulawesi, Indonesia

Constantinos Petrinos / Bearded ghoul / spiny devil fish (Inimicus didactylus) red colour variant, Sulawesi, Indonesia

GEORGETTE DOUWMA / Bearded ghoul fish / Spiny devilfish (Inimicus didactylus) buried in sand. Lembeh Strait, North Sulawesi, Indonesia

GEORGETTE DOUWMA / Bearded ghoul fish / Spiny devilfish (Inimicus didactylus) Lembeh Strait, North Sulawesi, Indonesia

Constantinos Petrinos / Bearded ghoul fish {Inimicus didactylus} Stargazer {Uranoscopus sulphureus} Sulawesi

Juergen Freund / Bearded ghoul fish / Demon stinger displays pectoral fins when threatened {Inimicus didactylus} Indo-Pacific

Birgitte Wilms / Bearded Ghoul (Inimicus didactylus), Papua New Guinea

Georgette Douwma / RF - Tropical reef fish, composite image on black background, Radial filefish (Acreichthys radiatus), Devilfish (Inimicus didactylus), Black-spotted porcupinefish (Arothron hystrix), Puffer filefish...

Georgette Douwma / Tropical reef fish composite image on black background, Devilfish (Inimicus didactylus), Star puffer (Arothron stellatus), Striped surgeonfish (Acanthurus lineatus), Seahorse (Hippocampus sp.), Leaffi...

Georgette Douwma / Tropical reef fish composite image on black background, Thornback cowfish (Lactoria fornasini), Red lionfish (Pterois volitans), Devilfish (Inimicus didactylus), Banggai cardinalfish (Pterapogon kaud...

Georgette Douwma / Tropical reef fish composite image on black background, Thornback cowfish (Lactoria fornasini), Longnose filefish (Oxymonacanthus longirostris), Blackbarred sandperch (Parapercis tetracantha), Lyretai...

Georgette Douwma / Spiny devilfish (Inimicus didactylus) pair. Lembeh Strait, North Sulawesi, Indonesia.

Georgette Douwma / Spiny devilfish (Inimicus didactylus). Lembeh Strait, North Sulawesi, Indonesia.

Linda Pitkin / Spiny Devilfish (Inimicus didactylus) active at night.Lembeh Strait, off Lembeh Island, 'Aer Prang', Lembeh Strait, North Sulawesi, Indonesia.

Linda Pitkin / Spiny Devilfish (Inimicus didactylus) partially buried in volcanic sand as daytime cover. Lembeh Strait, North Sulawesi, Indonesia.

Linda Pitkin / Spiny Devilfish (Inimicus didactylus) partially buried in volcanic sand as daytime cover. Lembeh Strait, North Sulawesi, Indonesia.