The ocean may seem like an endless resource; vast, mysterious and without limit. Throughout history, the ocean has provided humankind with massive amounts of fish and other marine creatures to consume, yet the health and biodiversity of our oceans are rapidly declining worldwide. Fortunately there is plenty we can do to help if we take responsibility and make ourselves aware of this issue.
The threats to our seas are often kept out of the public eye for the sake of economic profit, with many large corporations in the seafood industry adopting the “out of sight, out of mind” mentality. Overfishing, lack of effective management, and human consumption habits are all factors causing a rapid decline in wild fish populations. These aren’t just theories or speculation, either; there is plentiful evidence for the decline of many species of fish. Atlantic populations of halibut and yellowtail flounder are at all-time lows. The reproduction rate of Pacific bluefin tuna is at only four percent of its original size. Up to ninety percent of the world’s fisheries are overexploited, fully exploited, or collapsed.
The fishing industry doesn’t just affect the target fish species. With the use of most types of modern fishing gear, unwanted bycatch and habitat damage are of growing concern. The gear is large, covers extensive area, and is highly unselective – meaning it catches (and often kills) many more animals than just the target species. This bycatch can include sharks, sea turtles, porpoises, dolphins, and even whales.