Tawny nurse shark, Nebrius ferrugineus, Jaboan, Rongelap, Marshall Islands, Micronesia

Gray reef shark, Carcharhinus amblyrhynchos, Jaboan, Rongelap, Marshall Islands, Micronesia

People on boat taking pictures of Basking shark dorsal fin for photo-identification. (Cetorhinus maximus) Hebrides, Scotland

Caribbean reef shark. (Carcharhinus perezii) Bahamas.

Whale Shark (Rhincodon typus). Seychelles, Indian Ocean (rr)

Stuart Cove Shark feed. Bahamas.

Galapagos sharks, Carcharhinus galapagensis, Oahu, Hawaii

White Tip Reef shark (Triaenodon obesus), Sipadan Islands, Borneo, Malaysia.

Whitetip reef shark face on. Galapagos.

Dried shark fins for sale in traditional chinese medicine store, Taipei, Taiwan (Republic of China)

Great White Shark (Carcharodon carcharias). Walker Bay, South Africa.

White Tip Reef Shark ( Triaenodon obesus ) resting during daylight hours amongst mangrove growths. Galapagos, Pacific Ocean

Xenacanthus, a Devonian freshwater shark.

Shark! 2004 Linda Braucht (20th C. American) Computer graphics

Priohybodus, an extinct shark species from the Cretaceous Period.

Shark swimming underwater with reflections of the sun.

A huge Megalodon shark swims after a pod of striped dolphins.

Two Mako sharks swim by an underwater greek temple.

Megalodon dinosaur.

Two sharks on patrol over a sandy reef.

Uncut Boiled Fish Of Shark Fin