Cnidarians

35 min • 16 november 2021

Jellyfish, corals, anemones… they have a couple things in common. They’re all cnidarians, and they all seem like they don’t really have a whole lot going on. They just sort of float around! But looks can be deceiving: this mysterious, blobby phylum holds many secrets!

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[Trivia Question]

Jellyfish with or against current

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6937341/

[Fact Off]

Moon jelly vortex

https://www.eurekalert.org/news-releases/626033

https://www.newscientist.com/article/2264056-jellyfish-push-off-a-pocket-of-water-under-their-bell-to-swim-faster/

https://www.cbc.ca/radio/quirks/jan-9-covid-19-and-fighting-viral-evolution-ice-age-wolf-pup-and-more-1.5865449/jellyfish-are-the-ocean-s-most-efficient-swimmers-here-s-how-they-do-it-1.5865457