Porpoises exchanged possible distress calls after one became trapped in net

Key Takeaways

• Bycatch is the world's greatest direct human-caused threat to dolphins and porpoises.
• A porpoise was trapped in a net off the coast of Cornwall.
• Two harbor porpoises were swimming around the net, foraging for food and avoiding the gear.
• One of the porpoises got caught in the net, prompting possible distress calls.
• Underwater sensors were used to detect and record the incident.