Where are the fish? This basement window seems to be just as watertight as an aquarium, which is quite a miracle. The more common scenario is a very wet basement. Here’s the view from outside:
These pictures were taken during the spring snowmelt. The yard didn’t slope away from the foundation, in fact a little pond was forming in the yard by this basement window. Most houses have this problem, but not to this extreme! The best solution is to re-landscape the yard so there’s a slope away from the house.