jellyfish has had a big impact on the fish populations here in the eastern baltic because it hasn't appeared on mass anywhere for coming today it will. also be a minute dition the jellyfish doesn't show up during the main cod spawning season. like say that those bosses. so no reason for concern. for nearly a youngsters disagree. because the warty come jelly's came to europe into migration waves. the ones that appeared for the 1st time down here in the black sea a rich and i did from the gulf of mexico he got from mexico well him being the animals we have up here in the baltic they've come from boston woods home that area . that's been proved genetically and means that these were 2 completely distinct invasions. so what would happen if the warty come jellies from