David Fleetham / Great barracuda (Sphyraena barracuda) with three parasitic Copepods at end of upper jaw. Hawaii.

Jordi Chias / European barracuda (Sphyraena sphyraena) and Bluefish (Pomatomus saltatrix) circling baitball of Atlantic horse mackerel (Trachurus trachurus) Formigas Islets, Azores. Finalist in the Underwater Categ...

Chris Newbert / Blackfin Barracuda (Sphyraena qenie) in a spiraling school at 70 feet deep, Solomon Islands

Chris Newbert / Pickhandle Barracuda (Sphyraena jello) school, Solomon Islands

Chris Newbert / Elephant Ear Sponge (Ianthella basta) and schooling Barracuda (Sphyraena genie) in background, 110 feet deep, Solomon Islands

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

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

Gary Bell/ Oceanwide / Great Barracuda (Sphyraena barracuda), Great Barrier Reef, Australia

Gary Bell/ Oceanwide / Great Barracuda (Sphyraena barracuda), Great Barrier Reef, Australia

Pascal Kobeh / Yellowmouth barracuda (Sphyraena viridensis) with a white / silver trevally / guelly jack (Pseudocaranx dentex), Canary Islands

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

David Fleetham / Great barracuda (Sphyraena barracuda) over coral reef. Hawaii.