Are jellyfish a harbinger of dying seas?

Jellyfish, common in the seas for eons, suck so up so much food — and give back so little — that a dramatic population increase would gravely threaten the future of oceans worldwide, according to a new study.Scientists had already considered jellyfish a biological dead-end for their voracious appe…

Und hier ein Video über eine seltene Tiefseequalle gefilmt im Golf