From Facts in Motion.

Sea cucumbers are rather inconspicuous animals and are certainly not the most well-known sea creatures. They are nonetheless of enormous importance for the oceans and us humans. But don’t get too excited because despite their harmless appearance they are actually not as safe to handle as one might think. In this video, you find out why.

Sources:
http://www.uas.alaska.edu/arts_sciences/naturalsciences/biology/tamone/catalog/echinodermata/Cucumaria_vegae/body_structure_and_physiology.html
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2705372/
https://www.hindawi.com/journals/tswj/2014/527234/
http://www.fao.org/docrep/007/y5501e/y5501e0y.htm
http://www.fao.org/fishery/culturedspecies/Stichopus_japonicus/en
http://www.fao.org/in-action/globefish/fishery-information/resource-detail/en/c/1113389/
https://peerj.com/articles/1779/
http://www.mapress.com/zootaxa/2010/f/zt02449p048.pdf
https://sciencing.com/functions-ampulla-starfish-8788738.html
http://www.petcha.com/sea-cucumbers/
https://www.innovations-report.com/html/reports/life-sciences/sea-cucumbers-the-vacuum-cleaners-of-the-oceans.html
https://www.dovemed.com/diseases-conditions/sea-cucumber-irritation/

Music by Second Suspense
https://soundcloud.com/second-suspense
https://www.youtube.com/channel/UCUG_Jo3z02CxZ9QSFOJXFRA

Thanks for watching.
https://creativecommons.org/licenses/by/4.0/