o.o Oooh, nice.
IMO both kinda look like fish swimming in water-
The first seems like darker/muddier fish swimming along a muddy river bottom, with some silver minnows or something?
And the second-colourful, tropical fish in clear waters?
Other than fish, to me the second also resembles flower petals being blown around or something, and kelp/brownish seaweed on the ocean floor, looking upwards towards the night sky, kinda.