[1] https://twitter.com/ilikemints/status/643552504723148800
Never heard of cuttlefish before this article, but they sound awesome.
Being a cephalopod and that.
[0] depending on jurisdiction
[1]https://www.gov.uk/government/news/lobsters-octopus-and-crab...
Although it has largely been replaced by synthetic alternatives, you can still obtain traditional sepia from places like Kremer's Pigments - which is a supplier of historic pigments, mediums, and recipes (used by conservationists and artists who like to make their own paint).
I find the brown color of the traditional sepia to be extremely beautiful, the dried pigment has an extremely pungent odor, quite similar to the dried squid you might find at your local Asian fish market.
Cuttlefish teach us that the "secret" about intelligence is that it is all around us. What blinds us to seeing it is that we only recognise it easily in things that look like us and act like us and appear to share our values.
Once you have spent enough time in cuttlefishes world to appreciate their intelligence, and beauty, you are a cross cultural explorer who can travel to all kinds of other worlds and see them for what they are - intelligent kingdoms as complex as ours, only different.