Life in the World's Oceans. Episode 10, Marine Megavertebrates and Their FisheriesLife in the World's Oceans. Episode 10, Marine Megavertebrates and Their Fisheries

While humans have been fishing for hundreds of centuries, we have only recently had a significant impact on marine food webs. Industrialization has led to problems with by-catch and overexploitation of resources. Today, we are creating trophic cascades with long-term impacts we do not yet understand.