Juergen Freund / Great barracuda (Sphyraena barracuda) West New Britain, Papua New Guinea

Juergen Freund / Great barracuda (Sphyraena barracuda) with Teira batfish (Platax teira) in background, Kimbe Bay, West New Britain, Papua New Guinea.

Juergen Freund / Great Barracuda {Sphyraena barracuda} Caribbean

Brent Hedges / Great barracuda {Sphyraena barracuda} Andaman Sea, Indo-Pacific

Brent Hedges / Great barracuda {Sphyraena barracuda} Andaman Sea, Indo-Pacific

Fred Bavendam / Blackfin Barracuda (Sphyraena qenie) school off of Lizard Island, Great Barrier Reef, Queensland, Australia

Pete Oxford / Great barracuda (Sphyraena barracuda) Jardines de la Reina National Park, Cuba, Caribbean

Pete Oxford / Great Barracuda (Sphyraena barracuda), Bonaire, Netherlands Antilles, Caribbean

Pete Oxford / Great Barracuda (Sphyraena barracuda). Xcalac Marine Reserve, South Yucatan Peninsula, Mexico.

Juergen Freund / Solitary Great barracuda (Sphyraena barracuda) in the Liberty wreck with diver, Bali, Indonesia, September 2009.

Claudio Contreras / Shoal of Horse-eye jack / trevally (Caranx latus) with Great barracuda (Sphyraena barracuda) in the background, Cancun National Park, Caribbean Sea, Mexico, July

Fred Bavendam / Great Barracuda (Sphyraena barracuda), Bali, Indonesia

Jeff Rotman / Close-up of divers interacting with Giant Great Barracuda (Sphyraena barracuda) in Bahamas, Caribbean Sea Model released.

Norbert Wu / Great Barracuda (Sphyraena barracuda) school, Indonesia

Juergen Freund / Schooling Great barracudas {Sphyraena barracuda} Indo-Pacific

Nature Production / School of Great Barracuda {Sphyraena barracuda} Papua New Guinea

Juergen Freund / Great barracuda schooling {Sphyraena barracuda} Indo Pacific

Brent Hedges / Great barracuda {Sphyraena barracuda} Andaman Sea, Indo-Pacific

Brent Hedges / Great barracuda {Sphyraena barracuda} Andaman Sea, Indo-Pacific

Doug Perrine / Great barracuda {Sphyraena barracuda} Atlantic

Doug Perrine / Diver with Great Barracuda {Phrynaea barracuda} Saba, Malaysia

Norbert Wu / Cavalla (Caranx sp) school and Great Barracuda (Sphyraena barracuda) swirl behind walls of Sea Fans, Papua New Guinea

Norbert Wu / Great Barracuda (Sphyraena barracuda) with hook in mouth, Roatan Island, Honduras

Fred Bavendam / Great Barracuda (Sphyraena barracuda) portrait, South Caicos Island, British West Indies, Caribbean

Fred Bavendam / Blackfin Barracuda (Sphyraena qenie) schooling, Lizard Island, Great Barrier Reef, Queensland, Australia

Juergen Freund / Great Barracuda (Sphyraena barracuda) Caribbean.

Peter Scoones / Great barracuda {Sphyraena barracuda} Cuba

Juergen Freund / Great barracuda, Caribbean

Jeff Rotman / Great barracuda fish (Sphyraena barracuda) with Jacks, Bahamas

Jeff Rotman / Great Barracuda schooling (Sphyraena barracuda) Bismarck Sea, Papua New Guinea.

Pete Oxford / Great Barracuda (Sphyraena barracuda) on reef, Jardines de la Reina National Park, Cuba

Angelo Giampiccolo / Great barracuda (Sphyraena barracuda) and diver, Belize Cayes, Caribbean.

Angelo Giampiccolo / Great barracuda (Sphyraena barracuda) at night, Belize Cayes, Caribbean.

Angelo Giampiccolo / Great barracuda (Sphyraena barracuda) with diver, Belize Cayes, Caribbean.

Angelo Giampiccolo / Diver photographing Great barracuda (Sphyraena barracuda) Cuba, Caribbean.

Norbert Wu / Great Barracuda (Sphyraena barracuda) school and other reef fish swimming over soft coral, Raja Ampat Islands, Indonesia