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Most people see fish like they do vegetables, a rich, tasty, healthy and readily available food source. But fish are so much more. They are builders, athletes, tricksters, mountaineers, long-distance travellers, even role-model fathers.

They have endless energy to fight for life and race for future generations. From lumpfish fathers protecting their eggs, to bitterling hiding their offspring inside mussel shells. Young sharks stalk mangroves and pike fight their way through streams. The most epic struggle belongs to the salmon that travel thousands of kilometres inland, facing an endless barrage of predators.

Throughout their epic struggles, they feed the planet. Not just the human population, but entire ecosystems. Our world relies on the slippery and superb family of fish. Following their scaly trail for a year, this is their story…