New video footage captured by a tuna industry whistleblower has been released by Greenpeace, which reveals the routine slaughter of other marine species, including whale sharks, rays and whales. The footage is shot onboard a tuna fishing vessel in the

Pacific which deploys fish aggregating devices, one of the most aggressive fishing operations used by the industry in the face of declining fish populations owing to overfishing. Warning: this footage contains images that some may find disturbing