When top predators like sharks disappear, the rest of the ecosystem increases rising constantly according to the spiral out of control. With the decline in the number of large sharks, the species of small shark, manta rays and the prey down. For example, off South Africa, the species of fish have bones that are slowly disappearing because of the smaller sharks live near the banks of the rise. Collapse of the eco-system of coral reefs in the Caribbean may also dolls caused by the overfishing sharks
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