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Dolphins - like many other high-level predators - are prey mainly on old and ill fish. This way they are playing an important role in fighting Infectious Diseases among fish populations and ensure the reproduction of fisheries resources. It has been proved in many studies that the elimination of top predators in marine systems has negative, cascading effects for the entire ecosystem. By killing dolphins, we are killing the sanitary police of the oceans, which may result in more diseases and diminished fish populations. To kill a dolphin, therefore, means to directly damage sustainable fisheries.

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Q: What role do dolphins play in the ecosystem?
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