Are sea cucumbers the same as sea slugs...? And do they really breathe through their butts? In this episode The Fact Detectives find out the answers to these questions and more, with Melanie MacKenzie - a marine biologist at Museums Victoria who looks after collections of sea stars and sponges and more . If you love finding out fun facts about cool stuff, subscribe now for a brand new episode every fortnight. And if you love us, please rate us and leave a review. It really helps!  A Kinderling co-production with Museums Victoria.  See omnystudio.com/listener for privacy information.

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