Alex Mustard / RF - Portrait of a female Grey seal (Halichoerus grypus) in shallow water. Farne Islands, United Kingdom. North Sea (This image may be licensed either as rights managed or royalty free.)

Alex Mustard / RF - Portrait of Young female Grey seal (Halichoerus grypus) underwater in evening light. Farne Islands, Northumberland, United Kingdom. North Sea. (This image may be licensed either as rights managed...

Alex Mustard / RF - European lobster (Homarus gammarus) on the Wreck of the Rosalie. North Norfolk, United Kingdom. North Sea. (This image may be licensed either as rights managed or royalty free.)

Alex Mustard / RF - Leafy seadragon (Phycodurus eques) swims over seaweeds and sea grass, beneath sunbeams. South Australia. (This image may be licensed either as rights managed or royalty free.)

Alex Mustard / RF - Silhouette of a Green turtle (Chelonia mydas) against the surface of the sea. Saunderek jetty, Mansaur Island, Raja Ampat, West Papua. Tropical West Pacific Ocean. (This image may be licensed eit...

Alex Mustard / RF - Rich coral garden with hard corals (Montipora sp), Brain coral (Goniastrea sp, Lobophytum sp.) and lots of Lemon damsel (Pomacentrus moluccensis) and Ternate chromis fish (Chromis ternatenis). Ru...

Alex Mustard / RF - Portrait of Maldives anemonefish (Amphiprion nigripes) with its host magnificent sea anemone (Heteractis magnifica) on a coral reef. Laamu Atoll, Maldives. Indian Ocean (This image may be license...

Alex Mustard / RF - American crocodile (Crocodylus acutus) swims through sunrays. Jardines de la Reina, Gardens of the Queen National Park, Cuba. Caribbean Sea. (This image may be licensed either as rights managed o...

Alex Mustard / RF - Caribbean reef sharks (Carcharhinus perezi) swim over a coral reef with Common sea fans (Gorgonia ventalina) and Sea plumes (Pseudopterogorgia sp). Jardines de la Reina, Gardens of the Queen Nati...

Alex Mustard / RF - Mixed school of Bluestriped grunts (Haemulon sciurus), French grunts (Haemulon flavolineatum) and Schoolmasters ( Lutjanus apodus) shelter in Elkhorn corals (Acropora palmata) growing in shallow...

Alex Mustard / RF - Portrait of Orange-lined triggerfish (Balistapus undulatus) on a coral reef. Tulamben, Bali, Indonesia. Java Sea. (This image may be licensed either as rights managed or royalty free.)

Alex Mustard / RF - Tassled anglerfish (Rhycherus filamentosus) is almost perfectly camouflaged as it hides amongst marine life, waiting to ambush prey attracted to worm life lure. Victoria, Australia. (This image m...