Claudio Contreras / Giant Manta Ray (Manta birostris) at cleaning station with Clarion Angelfish (Holacanthus clarionensis) San Benedicto Island, Revillagigedo Archipelago Biosphere Reserve (The Socorro Islands), Pacific...

Claudio Contreras / Giant Manta Ray (Manta birostris), San Benedicto Island, Revillagigedo Archipelago Biosphere Reserve (Socorro Islands), Pacific Ocean, Western Mexico. Vulnerable species.

Franco Banfi / Manta ray (Manta birostris), San Benedicto, Revillagigedo (Socorro) Islands, Mexico, East Pacific Ocean

Franco Banfi / Scuba diver and Manta ray (Manta birostris), San Benedicto, Revillagigedo (Socorro) Islands, Mexico, East Pacific Ocean. Model released.

Juergen Freund / Schooling Chevron barracuda (Sphyraena putnamiae / qenie) Indo-pacific

Doug Perrine / Spinning column of Chevron barracuda {Sphyraena putnamiae} Sipadan, Malaysia

Chris Newbert / Chevron Barracuda (Sphyraena putnamiae) spiraling school, 60 feet deep, Solomon Islands

Michael Pitts / Chevron barracuda fish schooling, Yap, Micronesia

Doug Perrine / Blackfin barracuda (Sphyraena qenie) over seamount, Kei ( or Kai ) Islands, Moluccas, eastern Indonesia, Banda Sea, Southwest Pacific Ocean

Graham Eaton / Folded Carboniferous age sandstone and shale (Culm Measures) in plan view, deformed by compression during the Variscan or Hercynian orogeny, a geologic mountain-building event caused by Late Paleozoic...

Graham Eaton / Folded Carboniferous age sandstone and shale (Culm Measures) deformed by compression during the Variscan or Hercynian orogeny, a geologic mountain-building event caused by Late Paleozoic continental c...

Graham Eaton / An anticline in deformed Carboniferous sandstones and shale (Culm Measures) near Bude, Cornwall, UK, March. These rocks were deformed during the Hercynian or Variscan Orogeny, a mountain building even...