Alex Mustard / A shoal of Golden grey mullet (Liza aurata) swim in the surf breaking on the shore of El Hierro Island. Canary Islands, Spain. East Atlantic Ocean.

John Chan / Osprey (Pandion haliaetus) taking flight with a partially eaten Mullet (Mugilidae), Southern California, USA.

John Chan / Osprey (Pandion haliaetus) feeding on a Mullet (Mugilidae), Southern California, USA.

Michel Roggo / Striped mullet (Mugil cephalus) in Fanning Springs State Park, Florida, USA. March. Photographed for The Freshwater Project

Michel Roggo / Striped mullet (Mugil cephalus) at boundary of clear water of Fanning Springs and red water of the Suwannee River, Fanning Springs State Park, Florida, USA. March 2011. Photographed for The Freshwater...

Sue Daly / Bass Dicentrachus labrax, Wide angle, shoal swims by, 2013 , Sark, British Channel Islands, UK,

Sue Daly / Shoal of Bass (Dicentrachus labrax), Sark, British Channel Islands, UK, August.

Graham Eaton / Angler fishing at dusk in sea surf. Bass (Dicentrarchus labrax) are often caught as they hunt for food churned up by waves, Porth Ceiriad, Pwllheli, Gwynedd, Wales, UK, December 2016.

Graham Eaton / Angler fishing at dusk in sea surf. Bass (Dicentrarchus labrax) are often caught as they hunt for food churned up by waves, Porth Ceiriad, Pwllheli, Gwynedd, Wales, UK, December 2016.

Roger Powell / Osprey (Pandion haliaetus) male displaying by flying past with a Flathead grey mullet (Mugil cephalus) in its talons. Cedar Key, Levy County, Florida, USA April

Roger Powell / Osprey (Pandion haliaetus) male displaying by flying past with a Flathead grey mullet (Mugil cephalus) in its talons. Cedar Key, Levy County, Florida, USA April

Jean E. Roche / European seabass (Dicentrarchus labrax), caught by fisherman, Provence, France, April.