iReaditTIL there is a shark that bites perfect circles because it has only one tooth (kind of)
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gizmodo.com/scientists-finally-figured-out-the-…
Archive link: https://archive.ph/Euexx
c/forbiddenfleshlight
Oh no, it's not forbidden, just very, VERY inadvisable.
Not if you find a senior shark.
Lampreys did it before it was cool.
Looking like a wannabe leech
Travel to the seas of Spatterjay and become immortal with this one weird trick!
They do just have the one plate that has all the spikey parts on it, but that's not really the reason it bites round holes. It's that it uses its mouth as a suction and then chomps through the part it's attached to. Of course the shape of the tooth/teeth is related. That's not the mystery they were looking to solve though, it was when and where they feed.
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True. Yet, this is not a lamprey.