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When you think of a jellyfish, do you imagine an angelic stingy blob? That's just one stage of the life of a jelly!
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Sources:
https://www.nature.com/articles/srep12037
https://www.ingentaconnect.com/content/umrsmas/bullmar/2016/00000092/00000003/art00005;jsessionid=a4eds1b5n96k8.x-ic-live-01# (of note: this source says that the previous source is bull hockey, but I think they really agree more than they disagree)
https://www.researchgate.net/publication/248575476_Plankton_Dynamics_and_Aurelia_aurita_Production_in_Two_Contrasting_Ecosystems_Comparisons_and_Consequences
https://www.academia.edu/20929116/The_effect_of_temperature_on_the_benthic_stages_of_Cyanea_Cnidaria_Scyphozoa_and_their_seasonal_distribution_in_the_Niantic_River_estuary_connecticut
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3432801/
Graphics inspiration:
https://www.nsf.gov/news/mmg/mmg_disp.jsp?med_id=65102&from=search_list (it’s public domain: https://commons.wikimedia.org/wiki/File:Reproductive_cycle_of_jellyfish.jpg )
https://www.researchgate.net/figure/A-Life-cycle-of-the-jellyfish-Aurelia-aurita-The-asexual-stage-is-polyp_fig1_51796527 The scyphistoma stage shows another polyp budding off of a polyp (asexual reproduction). The alternative strobila stage shows a juvenile medusa growing off the polyp (the mature medusa can then sexually reproduce and create the planula larva that turns into a polyp).
IMAGES
https://en.wikipedia.org/wiki/File:Mastigias_papua_-_Tokyosealifepark_-_2019_1_8.webm
https://oceanexplorer.noaa.gov/okeanos/explorations/ex1404/logs/oct4/oct4.html
https://www.gettyimages.com/detail/photo/little-girl-with-prosthetic-leg-at-occupational-royalty-free-image/1167824400?adppopup=true
https://commons.wikimedia.org/wiki/File:Reproductive_cycle_of_jellyfish.jpg
https://commons.wikimedia.org/wiki/File:Cassiopeia_xamachana_polyp.jpg
https://www.gettyimages.com/detail/photo/jellyfish-with-neon-glow-light-effect-royalty-free-image/1010016014?adppopup=true
https://commons.wikimedia.org/wiki/File:Turritopsis_rubra_10893106.jpg
https://commons.wikimedia.org/wiki/File:Cassiopea_mediterranea_09.jpg
https://www.gettyimages.com/detail/video/jellyfish-on-the-seashore-species-of-jellyfish-stock-footage/1266787434?phrase=jellyfish%20beach&adppopup=true
https://www.gettyimages.com/detail/video/spotted-jellyfish-stock-footage/641983292?phrase=jellyfish&adppopup=true
https://www.gettyimages.com/detail/photo/fishing-trawler-royalty-free-image/649765276?phrase=trawler&adppopup=true
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0188601