Norbert Wu / Australian Ghost Shark (Callorhinchus milii) trunk-like snout detects prey in sea bottom, primitive fish relative to sharks, lives in the deep sea, New Zealand

David Fleetham / Pacific angel shark (Squatina californica) resting on sea floor. Santa Barbara Island, California, USA.

David Fleetham / Pacific angel shark (Squatina californica) swimming above sea floor. Santa Barbara Island, California, USA.

Tony Wu / Japanese angelshark (Squatina japonica) engaged in ambush predation, leaping out of the sand to catch a small silver-stripe round herring (Spratelloides gracilis). Japan, Pacific.

Tony Wu / Japanese angelshark (Squatina japonica) engaged in ambush predation, leaping out of the sand to catch a small silver-stripe round herring (Spratelloides gracilis). The cloud of sand thrown up by the s...

Tony Wu / Japanese angelshark (Squatina japonica) engaged in ambush predation, leaping out of the sand to catch a small silver-stripe round herring (Spratelloides gracilis). The shark's extended jaws are clearl...

Alex Mustard / Pacific angelshark (Squatina californica) camouflaged in the sand waiting to ambush prey. Santa Barbara Island, Channel Islands. California, USA. North East Pacific Ocean. September.

Flip Nicklin / Angel Shark (Squatina californica) is a benthic creature whose coloration matches the sandy bottom where it dwells, California

Jeff Rotman / Diver + Pacific angel shark {Squatina californica} CA, USA camouflaged in sandy seabed Model released.

David Hall / Giant oceanic manta ray (Mobula birostris) swimming over volcanic rock with two Remoras (Remora sp.) attached in front and a Clarion angelfish "cleaner" (Holacanthus clarionensis) following behind, So...

David Fleetham / Pacific angel shark (Squatina californica) resting on the sea floor, Santa Barbara Island, California, USA. July.

David Fleetham / Pacific angel shark (Squatina californica) at rest on sandy ocean floor. Santa Barbara Island, California, USA.