Crab quickly constructs new home from sand in sea tide

I (sort of) am a crabologist and that makes a lot of sense. There’s a decent tidal range in Vietnam so big flat sandy beaches where you have to scuttle for miles to stay in the sea or find a rock would be a big crab buffet for gulls unless you evolve this behaviour.

I’m definitely not a sandologist but I’m still astonished that a handspan (?) sized roof of sand stays up, dry or not. Unless the crab is doing this below the surface:

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image

(preliminary card text:

"tap Chitinous Hydromancer: Chitinous Hydromancer receives +0/+1 for each red land you have in play until end of turn.

If you have no blue lands, sacrifice Chitinous Hydromancer")

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Think this is a probably a sand bubbler crab. Apparently that roof stays up - trapping a bubble of air for the crab to breathe - even when the tide comes back in.

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So the bubble is actually much smaller than it appears in the video.

If you consider that the hole is only 2 or 3 cm across, it looks a lot more plausible.

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I didn’t mean to imply it was significant in any way. I was just making the observation that 23 is a prime number.

TIL!
Google image search: what are sand-drip castles

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I wasn’t expecting you to impart any meaningful wisdom in this context. :wink:

But I’d like the fish to tell us why 23!

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