One of my heroes has released a powerful film about the natural history of The Ocean: https://www.hulu.com/watch/1d8f1a4a-72dc-4532-a0e0-d35daa00d3a7
This should be viewed in all schools, all workplaces, as widely as possible

Featured Bycatch Species
Historically, the Chilean dolphin has been hunted both for food and for crab bait (Reeves et al 2008).