Alex Mustard / A diver explores Silfra Canyon, a deep fault filled with fresh water in the rift valley between the Eurasian and American tectonic plates at Thingvellir National Park, Iceland. May 2011. In this phot...
01241081
Mark Brownlow / Sperm whale {Physeter macrocephalus} diving, tail fluke, Kaikoura, South Island, New Zealand
01633851
Alex Mustard / Yellow tube sponge (Aplysina fistularis) on coral reef, diver exploring in background. Black Rock Drop Off, East End, Grand Cayman, Cayman Islands, British West Indies. Model released.
01625368
George Sanker / Great egret (Ardea alba) diving head into water to catch prey, in evening light. Myakka River State Park, Florida, USA, March. Sequence 1/2.
Alex Mustard / RF - Blue whale (Balaenoptera musculus) diving vertically down into the ocean to feed. Indian Ocean, off Sri Lanka. (This image may be licensed either as rights managed or royalty free.)
01628802
Alex Mustard / Green turtle (Chelonia mydas) descending after breathing at the surface. Misool, Raja Ampat, West Papua, Indonesia. Ceram Sea. Tropical West Pacific Ocean.
01629886
Espen Bergersen / Humpback whale (Megaptera novaeangliae) diving. In background a diving boat and 3 divers visible in the water. Kvanangen, Troms, Norway. November
01629880
Espen Bergersen / Sperm whale {Physeter macrocephalus} showint tail fluke as it dives. Photographed just before midnight. 22 nautical miles northwest of Andenes, Northern Norway. July
01609320
Andy Rouse / Kingfisher, (Alcedo atthis), diving for fish from branch, UK, Medium repro only
01609319
Andy Rouse / Kingfisher, (Alcedo atthis), diving for fish, UK
01609318
Andy Rouse / Kingfisher, (Alcedo atthis), diving for fish, UK, Medium repro only, Motion blur
