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That is an awesome map
According to saltwater fish... What about all of the freshwater fish?

Cool map though!

I may be very easy to amuse but but Spilhaus projection for compact Hausdorff space (the surface of the Earth) tickled my drying bones.

Seems the landmasses are indeed housing off all that spilled water.

Humor aside, the first thing it reminded me of is the Quincunx projection. There all the landmass is at the centre and is housed off by the oceans. And you can tile Euclidean space with it.

https://en.wikipedia.org/wiki/Peirce_quincuncial_projection

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Is there or could there be an equivalent centered on the north geographic pole? I'm aware of Polar Stereographic Projections and similar but they don't unify the oceans the way the Spilhaus does.
Nice reminder, that every eel in austria came from the caribic by looking at a path in this map.