Fishermen scour the depths of the oceans in search of the biggest and strangest sea creatures.
(01:01)Zeb goes in search of the giant white Sturgeon.
(00:43)A giant black marlin and a monstrous mako shark both feature, as the fishermen seek high-flying fish from all over the globe.
(00:58)Zeb Hogan travels to northern Australia to study the deadly and endangered sawfish.
(00:47)