The Healthy Seas Podcast

Bivalves: The Tiny Engineers of Clean Waters

• Crystal DiMiceli • Episode 32

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0:00 | 38:39

🦪 Oysters, mussels, clams, scallops, and cockles do much more than you might think.

In the latest Healthy Seas Podcast episode, we explore the fascinating world of bivalves and their vital role in keeping our seas healthy.

Joining us is Dr. Katie Collins, molluscan palaeobiologist and curator at the Natural History Museum in London, who explains how these remarkable animals filter water, recycle nutrients, create habitats for marine life, and even help scientists understand ancient oceans through their fossil record.

Small animals, big impact.

🎧 Listen to the full episode and discover why protecting and restoring these living filters is essential for healthier seas.


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Healthy Seas is a marine conservation organization whose mission is to tackle the ghost fishing phenomenon and turn this waste into an opportunity for a more circular economy. They do this through clean-ups, prevention, education, and working with partners who recycle and repurpose this material. The podcast is hosted by Crystal DiMiceli.