Open oceansKelpforests• Herrings: predatory fish and people love to eat these. • Sardines: this is where they hang out before being put in a can.• Tuna: eat the herrings and sardines—then they get eaten by sharks and people.• Marlin: these big fish are a popular gamefish, hunted by humans. • Dolphins: hunt in pods in the open ocean.• Sharks: live in every ocean of the world.• Whales: where else could animals this big live? What lives in the open ocean?The open oceans are the largest habitat on the planet. The upper zones of the open sea, far from land, teem with fish and other marine life of all kinds. Meanwhile, down in the depths, strange creatures roam in the darkness, waiting for dinner to come their way.