The loss of shark isn't a different problem, it's just another facet of the same thing. From Wikipedia: "[Jellyfish] predators include tuna, shark, swordfish,

The loss of shark isn't a different problem, it's just another facet of the same thing. From Wikipedia: "[Jellyfish] predators include tuna, shark, swordfish, sea turtles and at least one species of Pacific salmon." ...i.e. a list of fisherman favourites