Georgette Douwma / Giant Frogfish (Antennarius commerson) on coral reef. The animal can vary greatly in colour and pattern. Bali, Indonesia, December.

Constantinos Petrinos / Giant frogfish {Antennarius commerson} on Mushroom Leather coral, Sulawesi, Indonesia

Constantinos Petrinos / Giant frogfish {Antennarius commerson} Sulawesi, Indonesia

Solvin Zankl / Giant frogfish {Antennarius commerson} Lembeh, Sulawesi, Indonesia

Jeff Rotman / Giant frogfish (Antennarius commerson) close up face portrait, Eilat, Israel, Red Sea

Juergen Freund / Giant frogfish (Antennarius commerson) on pieces of coral. Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Yellow Giant / Commerson's frogfish (Antennarius commerson). Lembeh Strait, North Sulawesi, Indonesia.

Georgette Douwma / Giant frogfish (Antennarius commerson) camouflaged against coral reef, able to change colour and shape, Rinca, Komodo National Park, Indonesia

Fred Bavendam / Commerson's Frogfish (Antennarius commersonii) camouflaged, Andaman Sea, Thailand

Fred Bavendam / Commerson's Frogfish (Antennarius commersonii) pair, Lembeh Strait, Indonesia

Constantinos Petrinos / Anglerfish / Giant Frogfish {Antennarius commerson} head profile, Sulawesi, Indonesia

Constantinos Petrinos / Giant frogfish {Antennarius commerson} Sulawesi Note - Pectoral fin adapted for 'walking'.

Nature Production / Giant frogfish {Antennarius commerson} camouflaged amongst coral, Malaysia

Constantinos Petrinos / Giant Frogfish pectoral fin and gill opening (Antennarius commerson) Sulawesi, Indonesia

David Hall / Giant frogfish (Antennarius commerson) perfectly camouflaged against reef, Indonesia

Doug Perrine / Giant frogfish {Antennarius commerson} camouflaged on yellow sponge, Mabul Island, Sabah, Celebes Sea, Borneo, Malaysia

Solvin Zankl / Giant frogfish with mouth open {Antennarius commerson} Lembeh, Sulawesi

Solvin Zankl / Giant frogfish portrait {Antennarius commerson} Lembeh, Sulawesi

Constantinos Petrinos / Giant frogfish - pectoral fin adapted for 'walking'. Sulawesi {Antennarius commerson}

Constantinos Petrinos / Giant frogfish {Antennarius commerson} on coral reef, Lembeh Strait, Sulawesi Indonesia

Constantinos Petrinos / Portrait of Giant frogfish {Antennarius commerson} Sulawesi, Indonesia

Constantinos Petrinos / Giant frogfish {Antennarius commerson} on mushroom leather coral {Sarcophyton sp} Sulawesi, Indonesia