Our Bizarre Relatives: A Sea Squirt Family Album

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Strength in Numbers

Credit: Dr. Stefano Tiozzo
Sea squirts take many forms, small ones, like those shown above, cluster together, ultimately forming colonies, while others live on their own. Although…Read More »

considered invertebrates, sea squirts are surprisingly like us: Recent research has even shown that their tiny hearts use a pacemaker mechanism similar to ours. Some sea squirts are also invasive pests, coating the sea floor and other surfaces, and threatening fish and shellfish.    Less «
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