Claudio Contreras,Claudio Contreras / Crocodile Flatheadfish (Cymbacephalus beauforti), Inanuran Island, Danajon Bank, Central Visayas, Philippines, April

Michele Westmorland / Beaufort's Crocodilefish (Cymbacephalus beauforti) camouflaged on coral reef, House Reef at the Jetty, Tufi, Oro Province, Papua New Guinea

Doug Perrine / Crocodilefish camouflaged on coral {Cymbacephalus beauforti} Papua New Guinea

Bert Willaert / Crocodile Flathead (Cymbacephalus beauforti), Kimbe Bay, West New Britain, Papua New Guinea

Constantinos Petrinos / Giant flathead (Cymbacephalus beauforti) close up of eyel. Lembeh Strait, North Sulawesi, Indonesia.

Constantinos Petrinos / Giant flathead (Cymbacephalus beauforti) lying on a Finger Leather Coral (Sinularia polydactyla) Lembeh Strait, North Sulawesi, Indonesia.

Constantinos Petrinos / Giant flathead (Cymbacephalus beauforti) lying on a Finger Leather Coral (Sinularia polydactyla) Lembeh Strait, North Sulawesi, Indonesia.

Constantinos Petrinos / Giant flathead (Cymbacephalus beauforti) lying on a Finger Leather Coral (Sinularia polydactyla) Lembeh Strait, North Sulawesi, Indonesia.

Linda Pitkin / Crocodilefish (Cymbacephalus beauforti), resting on coral Dampier Strait, Raja Ampat, West Papua, Indonesia.

Linda Pitkin / Crocodilefish (Cymbacephalus beauforti), resting on coral Dampier Strait, Raja Ampat, West Papua, Indonesia.

Alex Mustard / Crocodilefish (Cymbacephalus beauforti) close up detail of the retractable eye-lashes, Mabul Island, Sabah, Borneo, Malaysia Celebes Sea

Alex Mustard / Crocodile fish (Cymbacephalus beauforti) sets an ambush by hiding in a leather coral (Sarcophyton sp) on a coral reef, Blue Magic, Raja Ampat, West Papua, Indonesia, Pacific Ocean.