These Animals Lost Their Stomachs. Why?

Check out our sibling channel Bizarre Beast: youtube.com/bizarrebeasts


What do a platypus, a pufferfish, and a seahorse have in common? Why, they all managed to evolve themselves out of having a working stomach! The reasons why might vary, as well as how they manage to live their lives without them, but they're all super cool!

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Sources
https://royalsocietypublishing.org/doi/10.1098/rspb.2013.2669
https://bmcgenomics.biomedcentral.com/articles/10.1186/s12864-018-4570-8
https://genomebiology.biomedcentral.com/articles/10.1186/gb-2008-9-5-r81
https://www.sciencedirect.com/science/article/abs/pii/S0044848618318337
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0134116
https://royalsocietypublishing.org/doi/10.1098/rspb.2013.2669
https://royalsocietypublishing.org/doi/full/10.1098/rsbl.2021.0583
https://link.springer.com/article/10.1007/s00018-002-8423-9


IMAGES


https://www.gettyimages.com
https://commons.wikimedia.org/wiki/File:Nerepisacanthus.png
https://commons.wikimedia.org/wiki/File:Neoceratodus_forsteri,_2014-09-19.JPG

https://commons.wikimedia.org/wiki/File:Scaridae_-_Bolbometopon_muricatum.jpg
https://commons.wikimedia.org/wiki/File:Cephaloscyllium_umbratile2.jpg