You have one butt, a shark has one butt, even a jellyfish has one butt/mouth, but deep inside sponges of Australia's Darwin Harbor there's a marine worm with BUTTS, hundreds and hundreds of butts. And sometimes those butts have minds of their own. Get your own Ramisyllis multicaudata pin here: https://complexly.store/products/bizarre-beasts-pin-ramisyllis Subscribe to the pin club here: https://complexly.store/products/bizarre-beasts-pin-subscription This month's pin is designed by Mary Cirino. You can find out more about her and her work here: https://linktr.ee/ultra.infinite You can cancel any time by emailing hello@dftba.com Follow us on socials: Twitter: https://twitter.com/bizarrebeasts Instagram: https://www.instagram.com/bizarrebeastsshow/ Facebook: https://www.facebook.com/BizarreBeastsShow/ #BizarreBeasts #worms #invertebrates #ocean #Ramisyllis ----- Sources: https://www.sciencealert.com/these-animals-prove-butts-are-way-weirder-and-more-complicated-than-you-think https://www.smithsonianmag.com/smart-news/marine-worm-sprouts-hundreds-butts-180977715/ https://academic.oup.com/zoolinnean/article/164/3/481/2732073?login=false https://www.taxonomyaustralia.org.au/post/the-world-s-weirdest-worm https://onlinelibrary.wiley.com/doi/10.1002/jmor.21356 https://gizmodo.com/this-worm-has-100-butts-1846835367 https://animaldiversity.org/accounts/Annelida/ https://academic.oup.com/gbe/article/11/1/295/5238077 https://www.nature.com/articles/srep12072 ------ Images: Aguado, M.T., Ponz-Segrelles, G., Glasby, C.J. et al. Ramisyllis kingghidorahi n. sp., a new branching annelid from Japan. Org Divers Evol 22, 377–405 (2022). https://doi.org/10.1007/s13127-021-00538-4 Ponz-Segrelles, G., Glasby, C. J., Helm, C., Beckers, P., Hammel, J. U., Ribeiro, R. P., & Aguado, M. T. (2021). Integrative anatomical study of the branched annelid Ramisyllis multicaudata (Annelida, Syllidae). Journal of Morphology, 282(6), 900–916. https://doi.org/10.1002/jmor.21356 GLASBY, C.J., SCHROEDER, P.C. and AGUADO, M.T. (2012), Branching out: a remarkable new branching syllid (Annelida) living in a Petrosia sponge (Porifera: Demospongiae). Zoological Journal of the Linnean Society, 164: 481-497. https://doi.org/10.1111/j.1096-3642.2011.00800.x Aguado, M., Glasby, C., Schroeder, P. et al. The making of a branching annelid: an analysis of complete mitochondrial genome and ribosomal data of Ramisyllis multicaudata. Sci Rep 5, 12072 (2015). https://doi.org/10.1038/srep12072 https://www.gettyimages.com/detail/video/crowd-of-businessmen-going-to-work-in-the-morning-stock-footage/1278734719 https://www.gettyimages.com/detail/video/unrecognizable-man-twists-booty-stock-footage/1387108359 https://www.gettyimages.com/detail/video/little-girl-falls-on-the-ice-rink-stock-footage/1096480556 https://www.gettyimages.com/detail/video/black-dog-wags-his-tail-close-up-stock-footage/981039400 https://www.gettyimages.com/detail/video/hamadryas-baboon-walking-away-in-ethiopian-highlands-stock-footage/1263052035 https://www.gettyimages.com/detail/video/close-up-of-peacock-with-fans-tail-open-fowl-is-turning-stock-footage/1460039961 https://www.gettyimages.com/detail/illustration/world-map-vector-silhouette-on-white-royalty-free-illustration/1311051529 https://www.gettyimages.com/detail/illustration/australia-and-oceania-black-map-contour-map-royalty-free-illustration/1313308362 https://www.gettyimages.com/detail/illustration/human-body-internal-organs-illustration-royalty-free-illustration/1151912964 https://www.gettyimages.com/detail/video/earthworm-stock-footage/459418143 https://www.gettyimages.com/detail/video/sand-worm-is-the-same-species-as-sea-worms-living-in-a-stock-footage/1186895175