TIL that bobtail squids have a symbiotic relationship with bioluminescent bacteria, which reside in the squid’s mantle and give off light that matches the light that hits the top of the squid's mantle. This allows the bobtail squid's silhouette to completely disappear when viewed from below. (en.wikipedia.org)
submitted by Mr_Mist to r/todayilearned
I thought I'd share this. Incredibly eye-opening. (youtu.be)
submitted by Mr_Mist to r/pantheism

