Sparkling Clouds and Other Wild Ways Cephalopods Use Ink

Octopuses and other cephalopods can squirt ink when threatened, but the forms the ink takes can go way beyond your typical smokescreen.

Hosted by: Michael Aranda

SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at http://www.scishowtangents.org
----------
Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow
----------
Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever:

Silas Emrys, Jb Taishoff, Bd_Tmprd, Harrison Mills, Jeffrey Mckishen, James Knight, Christoph Schwanke, Jacob, Matt Curls, Sam Buck, Christopher R Boucher, Eric Jensen, Lehel Kovacs, Adam Brainard, Greg, Ash, Sam Lutfi, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, charles george, Alex Hackman, Chris Peters, Kevin Bealer
----------
Looking for SciShow elsewhere on the internet?
Facebook: http://www.facebook.com/scishow
Twitter: http://www.twitter.com/scishow
Tumblr: http://scishow.tumblr.com
Instagram: http://instagram.com/thescishow
----------
Sources:
https://doi.org/10.3390/md12052700
https://doi.org/10.1016/j.jembe.2008.08.004
https://doi.org/10.1007/s00227-007-0684-2
https://pubmed.ncbi.nlm.nih.gov/29281314/
https://doi.org/10.1016/j.jembe.2020.151442
https://doi.org/10.1353/psc.2005.0004
https://doi.org/10.1016/j.jembe.2010.03.010
https://doi.org/10.1111/j.1469-7998.1978.tb03356.x

Image Sources:
http://www.tolweb.org/onlinecontributors/app%3Bjsessionid=56E95B22DCFD90A4E8FCA17FF79C9025?page=ViewImageData&service=external&sp=16087
https://www.storyblocks.com/video/stock/abstract-ink-drops-in-aquarium-water-33-beqwqhhwhk0vterec
https://www.storyblocks.com/video/stock/abstract-ink-drops-in-aquarium-water-26-sgw6xordrk0vr148u
https://www.storyblocks.com/video/stock/glowing-squids-swimming-underwater-i-6zkyj
https://www.storyblocks.com/video/stock/under-the-sea-faoyocy
https://www.storyblocks.com/video/stock/black-ink-flows-on-white-moving-in-slow-motion-ink-or-smoke-inject--black-dye-dissolves-in-water-for-inky-or-smoky-background-or-ink-effects-use-luma-matte-like-alpha-mask-or-alpha-channel-hpcnydee-j4g5q10y
https://www.storyblocks.com/video/stock/aquarium-jellyfish-swimming-r0wkdbzeip3apa9o
https://www.storyblocks.com/video/stock/abstract-ink-flowing-in-water-hij-fnh24jvl1yaex
https://www.istockphoto.com/vector/squid-ink-sketch-gm812785074-131570627
https://www.storyblocks.com/video/stock/octopus-crawling-around-seabed-eating-creatures-vnj-j2d
https://www.storyblocks.com/video/stock/dark-ink-drop-with-alpha-channel-sbfeu-htbj8xa7hap
https://www.istockphoto.com/photo/ink-of-common-octopus-at-the-moment-of-inking-undersea-octopus-out-of-focus-gm1279144627-377846330
https://www.istockphoto.com/photo/nautilus-on-black-background-gm147925431-20394601
https://www.istockphoto.com/photo/the-deadly-blue-ringed-octopus-gm526922663-52982544
https://www.istockphoto.com/photo/common-octopus-inking-undersea-aegean-sea-gm1279131937-377836273
https://www.istockphoto.com/photo/ink-drops-gm172626929-2520985
https://www.istockphoto.com/photo/suspended-octopus-gm469668635-34394702