The problem with studying the deep ocean is that humans need light to look at things, the depths of the ocean are extremely dark, and what lives there is accustomed to spending most of its time in that darkness. So when we go down there with submersibles and turn on Big Lights to see, we invariably and dramatically alter what's going on, in the same way that it's generally difficult to observe the natural behaviors of terrestrial animals if you whip out a megaphone and shout HEY GUYS WHAT ARE YOU DOING at them first.
A humble snubnose eelpout on its way to the whale fall buffet when some nearby humans give it a quick, unintrusive study:
I put this in the comments but feel it needs a reblog- Check out some of Dr Edith Widder’s work on light in the deep sea! Among other things, she used the bioluminescence of stoplight fish to deduce wavelengths which most deep sea animals can’t perceive and used that to create light filters to be able to film with minimal disturbance! And that’s how we got 25 minutes of giant squid footage!!!!
Lots of times we use red lights and red wavelengths to see deep sea creatures undisturbed. Most excitingly, we now have red lazer beams that can shoot animals to scan them with light, and create digital models of their biology in deli meat style cross sections!
This is HUGE news. Because for most of marine biology science from this point allllll the way to Ancient Mesopotamian Times, species and scientific discoveries were conducted by capturing a creature and pulling it up to the surface. Some surface species are typically undisturbed by this, however the deeper you go, an extreme amount of pressure is released on the animal when pulling it up, effectively killing it instantly and also highly disfigure / distort the creature so much that it’s difficult to even imagine what it looked like before in its natural pressurized habitat.
And for new found creatures? Creatures that could be the last of their kind but need to be documented? This is extinction inducing. This is painless and keeps the creatures alive and healthy doing their own thing down there (:
For more information, check out this video from Howtown!





















