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...

Todd Mintz / Scad fish / Horse mackerel (Trachurus trachurus) shoal with young male snorkeller, Bonaire, Dutch Caribbean. Model released.

Todd Mintz / Dense shoal of Scad fish / Horse mackerel (Trachurus trachurus) Bonaire, Dutch Caribbean.

Todd Mintz / Bar Jack (Caranx ruber) predating a dense school of Scad fish / Horse mackerel (Trachurus trachurus) Bonaire, Dutch Caribbean.

Todd Mintz / Bar Jack (Caranx ruber) predating dense school of Scad fish / Horse mackerel (Trachurus trachurus) Bonaire, Dutch Caribbean.

Norbert Wu / Bottlenose Dolphin (Tursiops truncatus) chases a school of Bigeye Scad (Selar crumenophthalmus), Roatan, Honduras

Jordi Chias / Atlantic spotted dolphins (Stenella frontalis) chasing fish (Trachurus trachurus) Santa Maria Island, Azores, Portugal, Atlantic Ocean

Todd Mintz / Young man snorkelling next to dense shoal of Scad fish / Horse mackerel (Trachurus trachurus) Bonaire, Dutch Caribbean.

Todd Mintz / Bar Jack (Caranx ruber) predating on dense school of Scad fish / Horse mackerel (Trachurus trachurus) Bonaire, Dutch Caribbean.

Todd Mintz / Dense shoal of Scad fish / Horse mackerel (Trachurus trachurus) shoal, Bonaire, Dutch Caribbean.

Todd Mintz / Person snorkelling next to dense shoal of Scad fish / Horse mackerel (Trachurus trachurus) Bonaire, Dutch Caribbean.

Todd Mintz / Bar Jack (Caranx ruber) predatingdense school of Scad fish / Horse mackerel (Trachurus trachurus) Bonaire, Dutch Caribbean.