Ex-Nanopore employee here. One interesting thing we heard about internally was that OceanX[0] has one of our GridION[1] devices (slightly larger, and built-in compute) that they were using to track whales in the ocean by sequencing DNA found in seawater. Really cool.
huge if true had an episode about this recently https://www.youtube.com/watch?v=0HlLwG2xN_c