David Fleetham / Schooling Brown striped snapper (Xenocys jessiae) and Yellowtail sawtail (Prionurus laticlavius), Galapagos Islands, Ecuador.

Doug Perrine / Barjacks (Caranx ruber), Yellowtail snapper (Ocyurus chrysurus), and Sergeant major damselfish (Abudefduf saxatilis) swimming around wreck of bow gun on C-58 shipwreck off Puerto Morelos, near Cancun,...

Jeff Rotman / Caribbean reef shark {Carcharhinus perezi} and Yellowtail snapper fish (Ocyurus chrysurus) Bahamas

David Fleetham / Schooling Black Striped Salema / Snapper (Xenocys jessiae) and Yellowtail Surgeonfish (Prionurus laticlavius). Galapagos Islands, Equador. Three images were stitched to create this panorama.

Alex Mustard / Caribbean reef sharks (Carcharhinus perezi) swimming through the middle of a school of yellowtail snappers (Ocyurus chrysurus). Grand Bahama, Bahamas. Tropical West Atlantic Ocean.

Pete Oxford / Yellowtail snapper (Ocyurus chrysurus) Jardines de la Reina National Park Cuba, Caribbean

Pete Oxford / Yellowtail Snapper (Ocyurus chrysurus), Jardines de la Reina National Park, Cuba

Alex Mustard / Caribbean reef shark (Carcharhinus perezi) bursts through the middle of a school of Yellowtail snappers (Ocyurus chrysurus). Grand Bahama, Bahamas. Tropical West Atlantic Ocean.

Jeff Rotman / Caribbean Reef Shark (Carcharhinus perezi) wounded with fish hook, Yellowtail Snapper(Ocyurus chrysurus), Bahamas, Caribbean Sea.

Peter Scoones / Yellowtail snapper (Ocyurus chrysurus) Caribbean

Peter Scoones / Yellowtail snapper (Ocyurus chrysurus) Caribbean photographed during making of BBC Planet Earth series 2005

Pete Oxford / Yellowtail Snapper (Ocyurus chrysurus), Jardines de la Reina National Park, Cuba