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Il Kraken scandinavo, Scilla che quasi inghiottì Ulisse, il mostro marino che attacca il Nautilus nel libro di Verne: tutti calamari giganti e tutti di un'unica specie, secondo uno studio apparso su una rivista britannica.
I ricercatori si basano sul DNA di una quarantina di esemplari. Dell'Architeuthis, il suo nome scientifico, si continua a sapere poco: è stato osservato nel suo habitat naturale solo nel 2004 e filmato nel 2012.
Fino ad allora era noto per i resti trovati nello stomaco dei capodogli. Lungo fino a 18 metri, vive in tutti i mari a 500 metri di profondità.
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